Home / 7,702.28-11,552.22-2,155.04

Finding the Fourth Proportional to 7,702.28, 11,552.22 and 2,155.04

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Solution

The fourth proportional to 7,702.28, 11,552.22 and 2,155.04 is: 3,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.28 : 11,552.22 = 2,155.04 : x
  2. Step 2: Convert to fraction form
    7,702.28/11,552.22 = 2,155.04/x
  3. Step 3: Cross multiply
    7,702.28x = 11,552.22 × 2,155.04
  4. Step 4: Simplify right side
    7,702.28x = 24,895,496.19
  5. Step 5: Solve for x
    x = 24,895,496.19/7,702.28
  6. Step 6: Final answer
    x = 3,232.22

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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.