Home / 5,909.46-8,862.85-1,749.78

Finding the Fourth Proportional to 5,909.46, 8,862.85 and 1,749.78

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Solution

The fourth proportional to 5,909.46, 8,862.85 and 1,749.78 is: 2,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.46 : 8,862.85 = 1,749.78 : x
  2. Step 2: Convert to fraction form
    5,909.46/8,862.85 = 1,749.78/x
  3. Step 3: Cross multiply
    5,909.46x = 8,862.85 × 1,749.78
  4. Step 4: Simplify right side
    5,909.46x = 15,508,037.67
  5. Step 5: Solve for x
    x = 15,508,037.67/5,909.46
  6. Step 6: Final answer
    x = 2,624.27

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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.