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Finding the Fourth Proportional to 2,938.95, 4,424.42 and 2,537.19

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Solution

The fourth proportional to 2,938.95, 4,424.42 and 2,537.19 is: 3,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.95 : 4,424.42 = 2,537.19 : x
  2. Step 2: Convert to fraction form
    2,938.95/4,424.42 = 2,537.19/x
  3. Step 3: Cross multiply
    2,938.95x = 4,424.42 × 2,537.19
  4. Step 4: Simplify right side
    2,938.95x = 11,225,600.52
  5. Step 5: Solve for x
    x = 11,225,600.52/2,938.95
  6. Step 6: Final answer
    x = 3,819.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.