Home / 7,197.15-10,798.86-2,520.52

Finding the Fourth Proportional to 7,197.15, 10,798.86 and 2,520.52

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Solution

The fourth proportional to 7,197.15, 10,798.86 and 2,520.52 is: 3,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.15 : 10,798.86 = 2,520.52 : x
  2. Step 2: Convert to fraction form
    7,197.15/10,798.86 = 2,520.52/x
  3. Step 3: Cross multiply
    7,197.15x = 10,798.86 × 2,520.52
  4. Step 4: Simplify right side
    7,197.15x = 27,218,715.61
  5. Step 5: Solve for x
    x = 27,218,715.61/7,197.15
  6. Step 6: Final answer
    x = 3,781.87

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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.