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Finding the Fourth Proportional to 2,937.57, 4,406.36 and 746.31

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Solution

The fourth proportional to 2,937.57, 4,406.36 and 746.31 is: 1,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.57 : 4,406.36 = 746.31 : x
  2. Step 2: Convert to fraction form
    2,937.57/4,406.36 = 746.31/x
  3. Step 3: Cross multiply
    2,937.57x = 4,406.36 × 746.31
  4. Step 4: Simplify right side
    2,937.57x = 3,288,506.80
  5. Step 5: Solve for x
    x = 3,288,506.80/2,937.57
  6. Step 6: Final answer
    x = 1,119.47

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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.