Home / 2,454.62-3,385.14-1,615.02

Finding the Fourth Proportional to 2,454.62, 3,385.14 and 1,615.02

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Solution

The fourth proportional to 2,454.62, 3,385.14 and 1,615.02 is: 2,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.62 : 3,385.14 = 1,615.02 : x
  2. Step 2: Convert to fraction form
    2,454.62/3,385.14 = 1,615.02/x
  3. Step 3: Cross multiply
    2,454.62x = 3,385.14 × 1,615.02
  4. Step 4: Simplify right side
    2,454.62x = 5,467,068.80
  5. Step 5: Solve for x
    x = 5,467,068.80/2,454.62
  6. Step 6: Final answer
    x = 2,227.26

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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.