Home / 5,531.13-7,632.86-3,013.29

Finding the Fourth Proportional to 5,531.13, 7,632.86 and 3,013.29

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Solution

The fourth proportional to 5,531.13, 7,632.86 and 3,013.29 is: 4,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.13 : 7,632.86 = 3,013.29 : x
  2. Step 2: Convert to fraction form
    5,531.13/7,632.86 = 3,013.29/x
  3. Step 3: Cross multiply
    5,531.13x = 7,632.86 × 3,013.29
  4. Step 4: Simplify right side
    5,531.13x = 23,000,005.64
  5. Step 5: Solve for x
    x = 23,000,005.64/5,531.13
  6. Step 6: Final answer
    x = 4,158.28

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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.