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Finding the Fourth Proportional to 3,507.49, 4,840.31 and 1,935.55

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Solution

The fourth proportional to 3,507.49, 4,840.31 and 1,935.55 is: 2,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.49 : 4,840.31 = 1,935.55 : x
  2. Step 2: Convert to fraction form
    3,507.49/4,840.31 = 1,935.55/x
  3. Step 3: Cross multiply
    3,507.49x = 4,840.31 × 1,935.55
  4. Step 4: Simplify right side
    3,507.49x = 9,368,628.14
  5. Step 5: Solve for x
    x = 9,368,628.14/3,507.49
  6. Step 6: Final answer
    x = 2,671.04

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,508.49, 4,841.68 and 1,936.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.