Home / 5,516.66-7,612.97-3,159.25

Finding the Fourth Proportional to 5,516.66, 7,612.97 and 3,159.25

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Solution

The fourth proportional to 5,516.66, 7,612.97 and 3,159.25 is: 4,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.66 : 7,612.97 = 3,159.25 : x
  2. Step 2: Convert to fraction form
    5,516.66/7,612.97 = 3,159.25/x
  3. Step 3: Cross multiply
    5,516.66x = 7,612.97 × 3,159.25
  4. Step 4: Simplify right side
    5,516.66x = 24,051,301.24
  5. Step 5: Solve for x
    x = 24,051,301.24/5,516.66
  6. Step 6: Final answer
    x = 4,359.76

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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.