Home / 7,531.29-11,300.81-3,587.02

Finding the Fourth Proportional to 7,531.29, 11,300.81 and 3,587.02

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Solution

The fourth proportional to 7,531.29, 11,300.81 and 3,587.02 is: 5,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.29 : 11,300.81 = 3,587.02 : x
  2. Step 2: Convert to fraction form
    7,531.29/11,300.81 = 3,587.02/x
  3. Step 3: Cross multiply
    7,531.29x = 11,300.81 × 3,587.02
  4. Step 4: Simplify right side
    7,531.29x = 40,536,241.13
  5. Step 5: Solve for x
    x = 40,536,241.13/7,531.29
  6. Step 6: Final answer
    x = 5,382.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.