Home / 5,440.74-8,159.78-2,516.25

Finding the Fourth Proportional to 5,440.74, 8,159.78 and 2,516.25

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Solution

The fourth proportional to 5,440.74, 8,159.78 and 2,516.25 is: 3,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.74 : 8,159.78 = 2,516.25 : x
  2. Step 2: Convert to fraction form
    5,440.74/8,159.78 = 2,516.25/x
  3. Step 3: Cross multiply
    5,440.74x = 8,159.78 × 2,516.25
  4. Step 4: Simplify right side
    5,440.74x = 20,532,011.92
  5. Step 5: Solve for x
    x = 20,532,011.92/5,440.74
  6. Step 6: Final answer
    x = 3,773.76

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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.