Home / 7,220.43-10,810.62-3,702.87

Finding the Fourth Proportional to 7,220.43, 10,810.62 and 3,702.87

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Solution

The fourth proportional to 7,220.43, 10,810.62 and 3,702.87 is: 5,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.43 : 10,810.62 = 3,702.87 : x
  2. Step 2: Convert to fraction form
    7,220.43/10,810.62 = 3,702.87/x
  3. Step 3: Cross multiply
    7,220.43x = 10,810.62 × 3,702.87
  4. Step 4: Simplify right side
    7,220.43x = 40,030,320.48
  5. Step 5: Solve for x
    x = 40,030,320.48/7,220.43
  6. Step 6: Final answer
    x = 5,544.04

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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.