Home / 5,516.22-7,612.38-3,158.34

Finding the Fourth Proportional to 5,516.22, 7,612.38 and 3,158.34

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Solution

The fourth proportional to 5,516.22, 7,612.38 and 3,158.34 is: 4,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.22 : 7,612.38 = 3,158.34 : x
  2. Step 2: Convert to fraction form
    5,516.22/7,612.38 = 3,158.34/x
  3. Step 3: Cross multiply
    5,516.22x = 7,612.38 × 3,158.34
  4. Step 4: Simplify right side
    5,516.22x = 24,042,484.25
  5. Step 5: Solve for x
    x = 24,042,484.25/5,516.22
  6. Step 6: Final answer
    x = 4,358.51

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Half scale
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Double scale
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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.