Home / 5,125.50-7,688.25-2,049.66

Finding the Fourth Proportional to 5,125.50, 7,688.25 and 2,049.66

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Solution

The fourth proportional to 5,125.50, 7,688.25 and 2,049.66 is: 3,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.50 : 7,688.25 = 2,049.66 : x
  2. Step 2: Convert to fraction form
    5,125.50/7,688.25 = 2,049.66/x
  3. Step 3: Cross multiply
    5,125.50x = 7,688.25 × 2,049.66
  4. Step 4: Simplify right side
    5,125.50x = 15,758,298.50
  5. Step 5: Solve for x
    x = 15,758,298.50/5,125.50
  6. Step 6: Final answer
    x = 3,074.49

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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.