Home / 1,451.90-2,175.15-1,354.70

Finding the Fourth Proportional to 1,451.90, 2,175.15 and 1,354.70

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Solution

The fourth proportional to 1,451.90, 2,175.15 and 1,354.70 is: 2,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.90 : 2,175.15 = 1,354.70 : x
  2. Step 2: Convert to fraction form
    1,451.90/2,175.15 = 1,354.70/x
  3. Step 3: Cross multiply
    1,451.90x = 2,175.15 × 1,354.70
  4. Step 4: Simplify right side
    1,451.90x = 2,946,675.71
  5. Step 5: Solve for x
    x = 2,946,675.71/1,451.90
  6. Step 6: Final answer
    x = 2,029.53

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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.