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Finding the Fourth Proportional to 5,371.46, 7,407 and 4,250.60

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Solution

The fourth proportional to 5,371.46, 7,407 and 4,250.60 is: 5,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.46 : 7,407 = 4,250.60 : x
  2. Step 2: Convert to fraction form
    5,371.46/7,407 = 4,250.60/x
  3. Step 3: Cross multiply
    5,371.46x = 7,407 × 4,250.60
  4. Step 4: Simplify right side
    5,371.46x = 31,484,157.17
  5. Step 5: Solve for x
    x = 31,484,157.17/5,371.46
  6. Step 6: Final answer
    x = 5,861.38

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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.