Home / 5,256.60-7,884.15-1,558.68

Finding the Fourth Proportional to 5,256.60, 7,884.15 and 1,558.68

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Solution

The fourth proportional to 5,256.60, 7,884.15 and 1,558.68 is: 2,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.60 : 7,884.15 = 1,558.68 : x
  2. Step 2: Convert to fraction form
    5,256.60/7,884.15 = 1,558.68/x
  3. Step 3: Cross multiply
    5,256.60x = 7,884.15 × 1,558.68
  4. Step 4: Simplify right side
    5,256.60x = 12,288,866.92
  5. Step 5: Solve for x
    x = 12,288,866.92/5,256.60
  6. Step 6: Final answer
    x = 2,337.80

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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.