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Finding the Fourth Proportional to 2,470.76, 3,407.46 and 1,770.92

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Solution

The fourth proportional to 2,470.76, 3,407.46 and 1,770.92 is: 2,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.76 : 3,407.46 = 1,770.92 : x
  2. Step 2: Convert to fraction form
    2,470.76/3,407.46 = 1,770.92/x
  3. Step 3: Cross multiply
    2,470.76x = 3,407.46 × 1,770.92
  4. Step 4: Simplify right side
    2,470.76x = 6,034,339.06
  5. Step 5: Solve for x
    x = 6,034,339.06/2,470.76
  6. Step 6: Final answer
    x = 2,442.30

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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.