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Finding the Fourth Proportional to 3,359.70, 5,037.15 and 1,509.30

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Solution

The fourth proportional to 3,359.70, 5,037.15 and 1,509.30 is: 2,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.70 : 5,037.15 = 1,509.30 : x
  2. Step 2: Convert to fraction form
    3,359.70/5,037.15 = 1,509.30/x
  3. Step 3: Cross multiply
    3,359.70x = 5,037.15 × 1,509.30
  4. Step 4: Simplify right side
    3,359.70x = 7,602,570.50
  5. Step 5: Solve for x
    x = 7,602,570.50/3,359.70
  6. Step 6: Final answer
    x = 2,262.87

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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.