Home / 5,854.26-8,778.88-3,390.78

Finding the Fourth Proportional to 5,854.26, 8,778.88 and 3,390.78

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Solution

The fourth proportional to 5,854.26, 8,778.88 and 3,390.78 is: 5,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.26 : 8,778.88 = 3,390.78 : x
  2. Step 2: Convert to fraction form
    5,854.26/8,778.88 = 3,390.78/x
  3. Step 3: Cross multiply
    5,854.26x = 8,778.88 × 3,390.78
  4. Step 4: Simplify right side
    5,854.26x = 29,767,250.73
  5. Step 5: Solve for x
    x = 29,767,250.73/5,854.26
  6. Step 6: Final answer
    x = 5,084.72

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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.