Home / 2,445.74-3,643.38-2,294.48

Finding the Fourth Proportional to 2,445.74, 3,643.38 and 2,294.48

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Solution

The fourth proportional to 2,445.74, 3,643.38 and 2,294.48 is: 3,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.74 : 3,643.38 = 2,294.48 : x
  2. Step 2: Convert to fraction form
    2,445.74/3,643.38 = 2,294.48/x
  3. Step 3: Cross multiply
    2,445.74x = 3,643.38 × 2,294.48
  4. Step 4: Simplify right side
    2,445.74x = 8,359,651.16
  5. Step 5: Solve for x
    x = 8,359,651.16/2,445.74
  6. Step 6: Final answer
    x = 3,418.04

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.