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Finding the Fourth Proportional to 2,363.87, 3,260.70 and 1,478.94

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Solution

The fourth proportional to 2,363.87, 3,260.70 and 1,478.94 is: 2,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.87 : 3,260.70 = 1,478.94 : x
  2. Step 2: Convert to fraction form
    2,363.87/3,260.70 = 1,478.94/x
  3. Step 3: Cross multiply
    2,363.87x = 3,260.70 × 1,478.94
  4. Step 4: Simplify right side
    2,363.87x = 4,822,379.66
  5. Step 5: Solve for x
    x = 4,822,379.66/2,363.87
  6. Step 6: Final answer
    x = 2,040.04

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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.