Home / 4,122.19-5,687.61-2,443.99

Finding the Fourth Proportional to 4,122.19, 5,687.61 and 2,443.99

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Solution

The fourth proportional to 4,122.19, 5,687.61 and 2,443.99 is: 3,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.19 : 5,687.61 = 2,443.99 : x
  2. Step 2: Convert to fraction form
    4,122.19/5,687.61 = 2,443.99/x
  3. Step 3: Cross multiply
    4,122.19x = 5,687.61 × 2,443.99
  4. Step 4: Simplify right side
    4,122.19x = 13,900,461.96
  5. Step 5: Solve for x
    x = 13,900,461.96/4,122.19
  6. Step 6: Final answer
    x = 3,372.11

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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.