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Finding the Fourth Proportional to 3,507.96, 4,840.88 and 1,935.93

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Solution

The fourth proportional to 3,507.96, 4,840.88 and 1,935.93 is: 2,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.96 : 4,840.88 = 1,935.93 : x
  2. Step 2: Convert to fraction form
    3,507.96/4,840.88 = 1,935.93/x
  3. Step 3: Cross multiply
    3,507.96x = 4,840.88 × 1,935.93
  4. Step 4: Simplify right side
    3,507.96x = 9,371,595.14
  5. Step 5: Solve for x
    x = 9,371,595.14/3,507.96
  6. Step 6: Final answer
    x = 2,671.52

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Double scale
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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.