Home / 5,177.50-7,146.18-3,082.84

Finding the Fourth Proportional to 5,177.50, 7,146.18 and 3,082.84

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Solution

The fourth proportional to 5,177.50, 7,146.18 and 3,082.84 is: 4,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.50 : 7,146.18 = 3,082.84 : x
  2. Step 2: Convert to fraction form
    5,177.50/7,146.18 = 3,082.84/x
  3. Step 3: Cross multiply
    5,177.50x = 7,146.18 × 3,082.84
  4. Step 4: Simplify right side
    5,177.50x = 22,030,529.55
  5. Step 5: Solve for x
    x = 22,030,529.55/5,177.50
  6. Step 6: Final answer
    x = 4,255.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.