Home / 5,219.07-7,202.39-2,861.16

Finding the Fourth Proportional to 5,219.07, 7,202.39 and 2,861.16

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Solution

The fourth proportional to 5,219.07, 7,202.39 and 2,861.16 is: 3,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.07 : 7,202.39 = 2,861.16 : x
  2. Step 2: Convert to fraction form
    5,219.07/7,202.39 = 2,861.16/x
  3. Step 3: Cross multiply
    5,219.07x = 7,202.39 × 2,861.16
  4. Step 4: Simplify right side
    5,219.07x = 20,607,148.86
  5. Step 5: Solve for x
    x = 20,607,148.86/5,219.07
  6. Step 6: Final answer
    x = 3,948.44

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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.