Home / 7,780.97-10,737.69-4,244.18

Finding the Fourth Proportional to 7,780.97, 10,737.69 and 4,244.18

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Solution

The fourth proportional to 7,780.97, 10,737.69 and 4,244.18 is: 5,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.97 : 10,737.69 = 4,244.18 : x
  2. Step 2: Convert to fraction form
    7,780.97/10,737.69 = 4,244.18/x
  3. Step 3: Cross multiply
    7,780.97x = 10,737.69 × 4,244.18
  4. Step 4: Simplify right side
    7,780.97x = 45,572,635.46
  5. Step 5: Solve for x
    x = 45,572,635.46/7,780.97
  6. Step 6: Final answer
    x = 5,856.94

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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.