Home / 7,200.98-9,937.46-4,057.17

Finding the Fourth Proportional to 7,200.98, 9,937.46 and 4,057.17

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Solution

The fourth proportional to 7,200.98, 9,937.46 and 4,057.17 is: 5,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.98 : 9,937.46 = 4,057.17 : x
  2. Step 2: Convert to fraction form
    7,200.98/9,937.46 = 4,057.17/x
  3. Step 3: Cross multiply
    7,200.98x = 9,937.46 × 4,057.17
  4. Step 4: Simplify right side
    7,200.98x = 40,317,981.95
  5. Step 5: Solve for x
    x = 40,317,981.95/7,200.98
  6. Step 6: Final answer
    x = 5,598.95

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1.5x scale

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.