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Finding the Fourth Proportional to 3,507.51, 4,840.62 and 1,935.63

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Solution

The fourth proportional to 3,507.51, 4,840.62 and 1,935.63 is: 2,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.51 : 4,840.62 = 1,935.63 : x
  2. Step 2: Convert to fraction form
    3,507.51/4,840.62 = 1,935.63/x
  3. Step 3: Cross multiply
    3,507.51x = 4,840.62 × 1,935.63
  4. Step 4: Simplify right side
    3,507.51x = 9,369,649.29
  5. Step 5: Solve for x
    x = 9,369,649.29/3,507.51
  6. Step 6: Final answer
    x = 2,671.31

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,508.51, 4,842 and 1,936.63
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.