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Finding the Fourth Proportional to 2,471.94, 3,707.91 and 740.57

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Solution

The fourth proportional to 2,471.94, 3,707.91 and 740.57 is: 1,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.94 : 3,707.91 = 740.57 : x
  2. Step 2: Convert to fraction form
    2,471.94/3,707.91 = 740.57/x
  3. Step 3: Cross multiply
    2,471.94x = 3,707.91 × 740.57
  4. Step 4: Simplify right side
    2,471.94x = 2,745,948.37
  5. Step 5: Solve for x
    x = 2,745,948.37/2,471.94
  6. Step 6: Final answer
    x = 1,110.85

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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.