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Finding the Fourth Proportional to 2,458.92, 3,393.18 and 1,410.78

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Solution

The fourth proportional to 2,458.92, 3,393.18 and 1,410.78 is: 1,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.92 : 3,393.18 = 1,410.78 : x
  2. Step 2: Convert to fraction form
    2,458.92/3,393.18 = 1,410.78/x
  3. Step 3: Cross multiply
    2,458.92x = 3,393.18 × 1,410.78
  4. Step 4: Simplify right side
    2,458.92x = 4,787,030.48
  5. Step 5: Solve for x
    x = 4,787,030.48/2,458.92
  6. Step 6: Final answer
    x = 1,946.80

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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.