Home / 4,191.22-6,281.52-4,082.20

Finding the Fourth Proportional to 4,191.22, 6,281.52 and 4,082.20

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Solution

The fourth proportional to 4,191.22, 6,281.52 and 4,082.20 is: 6,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.22 : 6,281.52 = 4,082.20 : x
  2. Step 2: Convert to fraction form
    4,191.22/6,281.52 = 4,082.20/x
  3. Step 3: Cross multiply
    4,191.22x = 6,281.52 × 4,082.20
  4. Step 4: Simplify right side
    4,191.22x = 25,642,420.94
  5. Step 5: Solve for x
    x = 25,642,420.94/4,191.22
  6. Step 6: Final answer
    x = 6,118.13

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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.