Home / 5,158.25-7,740.56-2,037.72

Finding the Fourth Proportional to 5,158.25, 7,740.56 and 2,037.72

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Solution

The fourth proportional to 5,158.25, 7,740.56 and 2,037.72 is: 3,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.25 : 7,740.56 = 2,037.72 : x
  2. Step 2: Convert to fraction form
    5,158.25/7,740.56 = 2,037.72/x
  3. Step 3: Cross multiply
    5,158.25x = 7,740.56 × 2,037.72
  4. Step 4: Simplify right side
    5,158.25x = 15,773,128.04
  5. Step 5: Solve for x
    x = 15,773,128.04/5,158.25
  6. Step 6: Final answer
    x = 3,057.85

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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.