Home / 1,451.64-2,002.38-1,354.44

Finding the Fourth Proportional to 1,451.64, 2,002.38 and 1,354.44

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Solution

The fourth proportional to 1,451.64, 2,002.38 and 1,354.44 is: 1,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.64 : 2,002.38 = 1,354.44 : x
  2. Step 2: Convert to fraction form
    1,451.64/2,002.38 = 1,354.44/x
  3. Step 3: Cross multiply
    1,451.64x = 2,002.38 × 1,354.44
  4. Step 4: Simplify right side
    1,451.64x = 2,712,103.57
  5. Step 5: Solve for x
    x = 2,712,103.57/1,451.64
  6. Step 6: Final answer
    x = 1,868.30

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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.