Home / 5,257.32-7,884.76-1,558.66

Finding the Fourth Proportional to 5,257.32, 7,884.76 and 1,558.66

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Solution

The fourth proportional to 5,257.32, 7,884.76 and 1,558.66 is: 2,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.32 : 7,884.76 = 1,558.66 : x
  2. Step 2: Convert to fraction form
    5,257.32/7,884.76 = 1,558.66/x
  3. Step 3: Cross multiply
    5,257.32x = 7,884.76 × 1,558.66
  4. Step 4: Simplify right side
    5,257.32x = 12,289,624.55
  5. Step 5: Solve for x
    x = 12,289,624.55/5,257.32
  6. Step 6: Final answer
    x = 2,337.62

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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.