Home / 7,042.29-9,720.52-4,060.11

Finding the Fourth Proportional to 7,042.29, 9,720.52 and 4,060.11

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Solution

The fourth proportional to 7,042.29, 9,720.52 and 4,060.11 is: 5,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.29 : 9,720.52 = 4,060.11 : x
  2. Step 2: Convert to fraction form
    7,042.29/9,720.52 = 4,060.11/x
  3. Step 3: Cross multiply
    7,042.29x = 9,720.52 × 4,060.11
  4. Step 4: Simplify right side
    7,042.29x = 39,466,360.16
  5. Step 5: Solve for x
    x = 39,466,360.16/7,042.29
  6. Step 6: Final answer
    x = 5,604.20

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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.