Home / 5,247.72-7,871.58-2,325.24

Finding the Fourth Proportional to 5,247.72, 7,871.58 and 2,325.24

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Solution

The fourth proportional to 5,247.72, 7,871.58 and 2,325.24 is: 3,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.72 : 7,871.58 = 2,325.24 : x
  2. Step 2: Convert to fraction form
    5,247.72/7,871.58 = 2,325.24/x
  3. Step 3: Cross multiply
    5,247.72x = 7,871.58 × 2,325.24
  4. Step 4: Simplify right side
    5,247.72x = 18,303,312.68
  5. Step 5: Solve for x
    x = 18,303,312.68/5,247.72
  6. Step 6: Final answer
    x = 3,487.86

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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.