Home / 5,321.32-7,337.34-4,480.74

Finding the Fourth Proportional to 5,321.32, 7,337.34 and 4,480.74

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Solution

The fourth proportional to 5,321.32, 7,337.34 and 4,480.74 is: 6,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.32 : 7,337.34 = 4,480.74 : x
  2. Step 2: Convert to fraction form
    5,321.32/7,337.34 = 4,480.74/x
  3. Step 3: Cross multiply
    5,321.32x = 7,337.34 × 4,480.74
  4. Step 4: Simplify right side
    5,321.32x = 32,876,712.83
  5. Step 5: Solve for x
    x = 32,876,712.83/5,321.32
  6. Step 6: Final answer
    x = 6,178.30

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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.