Home / 5,097.12-7,646.56-1,586.87

Finding the Fourth Proportional to 5,097.12, 7,646.56 and 1,586.87

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Solution

The fourth proportional to 5,097.12, 7,646.56 and 1,586.87 is: 2,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.12 : 7,646.56 = 1,586.87 : x
  2. Step 2: Convert to fraction form
    5,097.12/7,646.56 = 1,586.87/x
  3. Step 3: Cross multiply
    5,097.12x = 7,646.56 × 1,586.87
  4. Step 4: Simplify right side
    5,097.12x = 12,134,088.73
  5. Step 5: Solve for x
    x = 12,134,088.73/5,097.12
  6. Step 6: Final answer
    x = 2,380.58

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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.