Home / 5,337.60-8,006.40-4,792.20

Finding the Fourth Proportional to 5,337.60, 8,006.40 and 4,792.20

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Solution

The fourth proportional to 5,337.60, 8,006.40 and 4,792.20 is: 7,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.60 : 8,006.40 = 4,792.20 : x
  2. Step 2: Convert to fraction form
    5,337.60/8,006.40 = 4,792.20/x
  3. Step 3: Cross multiply
    5,337.60x = 8,006.40 × 4,792.20
  4. Step 4: Simplify right side
    5,337.60x = 38,368,270.08
  5. Step 5: Solve for x
    x = 38,368,270.08/5,337.60
  6. Step 6: Final answer
    x = 7,188.30

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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.