Home / 7,702.12-11,543.59-3,750.13

Finding the Fourth Proportional to 7,702.12, 11,543.59 and 3,750.13

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Solution

The fourth proportional to 7,702.12, 11,543.59 and 3,750.13 is: 5,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.12 : 11,543.59 = 3,750.13 : x
  2. Step 2: Convert to fraction form
    7,702.12/11,543.59 = 3,750.13/x
  3. Step 3: Cross multiply
    7,702.12x = 11,543.59 × 3,750.13
  4. Step 4: Simplify right side
    7,702.12x = 43,289,963.17
  5. Step 5: Solve for x
    x = 43,289,963.17/7,702.12
  6. Step 6: Final answer
    x = 5,620.53

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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.