Home / 4,693.32-6,475.32-3,121.68

Finding the Fourth Proportional to 4,693.32, 6,475.32 and 3,121.68

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Solution

The fourth proportional to 4,693.32, 6,475.32 and 3,121.68 is: 4,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.32 : 6,475.32 = 3,121.68 : x
  2. Step 2: Convert to fraction form
    4,693.32/6,475.32 = 3,121.68/x
  3. Step 3: Cross multiply
    4,693.32x = 6,475.32 × 3,121.68
  4. Step 4: Simplify right side
    4,693.32x = 20,213,876.94
  5. Step 5: Solve for x
    x = 20,213,876.94/4,693.32
  6. Step 6: Final answer
    x = 4,306.95

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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.