Home / 5,705.20-8,516.48-4,930.17

Finding the Fourth Proportional to 5,705.20, 8,516.48 and 4,930.17

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Solution

The fourth proportional to 5,705.20, 8,516.48 and 4,930.17 is: 7,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.20 : 8,516.48 = 4,930.17 : x
  2. Step 2: Convert to fraction form
    5,705.20/8,516.48 = 4,930.17/x
  3. Step 3: Cross multiply
    5,705.20x = 8,516.48 × 4,930.17
  4. Step 4: Simplify right side
    5,705.20x = 41,987,694.20
  5. Step 5: Solve for x
    x = 41,987,694.20/5,705.20
  6. Step 6: Final answer
    x = 7,359.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.