Home / 4,122.48-5,689.20-2,354.22

Finding the Fourth Proportional to 4,122.48, 5,689.20 and 2,354.22

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Solution

The fourth proportional to 4,122.48, 5,689.20 and 2,354.22 is: 3,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.48 : 5,689.20 = 2,354.22 : x
  2. Step 2: Convert to fraction form
    4,122.48/5,689.20 = 2,354.22/x
  3. Step 3: Cross multiply
    4,122.48x = 5,689.20 × 2,354.22
  4. Step 4: Simplify right side
    4,122.48x = 13,393,628.42
  5. Step 5: Solve for x
    x = 13,393,628.42/4,122.48
  6. Step 6: Final answer
    x = 3,248.93

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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.