Home / 5,601.72-8,402.58-5,280.96

Finding the Fourth Proportional to 5,601.72, 8,402.58 and 5,280.96

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Solution

The fourth proportional to 5,601.72, 8,402.58 and 5,280.96 is: 7,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.72 : 8,402.58 = 5,280.96 : x
  2. Step 2: Convert to fraction form
    5,601.72/8,402.58 = 5,280.96/x
  3. Step 3: Cross multiply
    5,601.72x = 8,402.58 × 5,280.96
  4. Step 4: Simplify right side
    5,601.72x = 44,373,688.88
  5. Step 5: Solve for x
    x = 44,373,688.88/5,601.72
  6. Step 6: Final answer
    x = 7,921.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.