Home / 5,087.68-7,627.84-2,312.92

Finding the Fourth Proportional to 5,087.68, 7,627.84 and 2,312.92

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Solution

The fourth proportional to 5,087.68, 7,627.84 and 2,312.92 is: 3,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.68 : 7,627.84 = 2,312.92 : x
  2. Step 2: Convert to fraction form
    5,087.68/7,627.84 = 2,312.92/x
  3. Step 3: Cross multiply
    5,087.68x = 7,627.84 × 2,312.92
  4. Step 4: Simplify right side
    5,087.68x = 17,642,583.69
  5. Step 5: Solve for x
    x = 17,642,583.69/5,087.68
  6. Step 6: Final answer
    x = 3,467.71

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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.