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Finding the Fourth Proportional to 2,531.04, 3,790.20 and 2,045.04

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Solution

The fourth proportional to 2,531.04, 3,790.20 and 2,045.04 is: 3,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.04 : 3,790.20 = 2,045.04 : x
  2. Step 2: Convert to fraction form
    2,531.04/3,790.20 = 2,045.04/x
  3. Step 3: Cross multiply
    2,531.04x = 3,790.20 × 2,045.04
  4. Step 4: Simplify right side
    2,531.04x = 7,751,110.61
  5. Step 5: Solve for x
    x = 7,751,110.61/2,531.04
  6. Step 6: Final answer
    x = 3,062.42

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1.5x scale

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.