Home / 5,230.92-7,219.06-3,439.56

Finding the Fourth Proportional to 5,230.92, 7,219.06 and 3,439.56

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Solution

The fourth proportional to 5,230.92, 7,219.06 and 3,439.56 is: 4,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.92 : 7,219.06 = 3,439.56 : x
  2. Step 2: Convert to fraction form
    5,230.92/7,219.06 = 3,439.56/x
  3. Step 3: Cross multiply
    5,230.92x = 7,219.06 × 3,439.56
  4. Step 4: Simplify right side
    5,230.92x = 24,830,390.01
  5. Step 5: Solve for x
    x = 24,830,390.01/5,230.92
  6. Step 6: Final answer
    x = 4,746.85

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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.