Home / 5,168.95-7,750.55-1,882.15

Finding the Fourth Proportional to 5,168.95, 7,750.55 and 1,882.15

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Solution

The fourth proportional to 5,168.95, 7,750.55 and 1,882.15 is: 2,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.95 : 7,750.55 = 1,882.15 : x
  2. Step 2: Convert to fraction form
    5,168.95/7,750.55 = 1,882.15/x
  3. Step 3: Cross multiply
    5,168.95x = 7,750.55 × 1,882.15
  4. Step 4: Simplify right side
    5,168.95x = 14,587,688.27
  5. Step 5: Solve for x
    x = 14,587,688.27/5,168.95
  6. Step 6: Final answer
    x = 2,822.18

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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.