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Finding the Fourth Proportional to 3,358.60, 5,036.70 and 1,510.60

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Solution

The fourth proportional to 3,358.60, 5,036.70 and 1,510.60 is: 2,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.60 : 5,036.70 = 1,510.60 : x
  2. Step 2: Convert to fraction form
    3,358.60/5,036.70 = 1,510.60/x
  3. Step 3: Cross multiply
    3,358.60x = 5,036.70 × 1,510.60
  4. Step 4: Simplify right side
    3,358.60x = 7,608,439.02
  5. Step 5: Solve for x
    x = 7,608,439.02/3,358.60
  6. Step 6: Final answer
    x = 2,265.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.