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Finding the Fourth Proportional to 3,442.43, 4,750.31 and 1,870.49

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Solution

The fourth proportional to 3,442.43, 4,750.31 and 1,870.49 is: 2,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.43 : 4,750.31 = 1,870.49 : x
  2. Step 2: Convert to fraction form
    3,442.43/4,750.31 = 1,870.49/x
  3. Step 3: Cross multiply
    3,442.43x = 4,750.31 × 1,870.49
  4. Step 4: Simplify right side
    3,442.43x = 8,885,374.25
  5. Step 5: Solve for x
    x = 8,885,374.25/3,442.43
  6. Step 6: Final answer
    x = 2,581.14

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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.