Home / 5,437.71-7,503.72-3,079.80

Finding the Fourth Proportional to 5,437.71, 7,503.72 and 3,079.80

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Solution

The fourth proportional to 5,437.71, 7,503.72 and 3,079.80 is: 4,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.71 : 7,503.72 = 3,079.80 : x
  2. Step 2: Convert to fraction form
    5,437.71/7,503.72 = 3,079.80/x
  3. Step 3: Cross multiply
    5,437.71x = 7,503.72 × 3,079.80
  4. Step 4: Simplify right side
    5,437.71x = 23,109,956.86
  5. Step 5: Solve for x
    x = 23,109,956.86/5,437.71
  6. Step 6: Final answer
    x = 4,249.94

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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.