Home / 7,068.75-9,755.28-3,925.14

Finding the Fourth Proportional to 7,068.75, 9,755.28 and 3,925.14

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Solution

The fourth proportional to 7,068.75, 9,755.28 and 3,925.14 is: 5,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.75 : 9,755.28 = 3,925.14 : x
  2. Step 2: Convert to fraction form
    7,068.75/9,755.28 = 3,925.14/x
  3. Step 3: Cross multiply
    7,068.75x = 9,755.28 × 3,925.14
  4. Step 4: Simplify right side
    7,068.75x = 38,290,839.74
  5. Step 5: Solve for x
    x = 38,290,839.74/7,068.75
  6. Step 6: Final answer
    x = 5,416.92

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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.