Home / 5,439.46-7,505.99-3,170.45

Finding the Fourth Proportional to 5,439.46, 7,505.99 and 3,170.45

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Solution

The fourth proportional to 5,439.46, 7,505.99 and 3,170.45 is: 4,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.46 : 7,505.99 = 3,170.45 : x
  2. Step 2: Convert to fraction form
    5,439.46/7,505.99 = 3,170.45/x
  3. Step 3: Cross multiply
    5,439.46x = 7,505.99 × 3,170.45
  4. Step 4: Simplify right side
    5,439.46x = 23,797,366.00
  5. Step 5: Solve for x
    x = 23,797,366.00/5,439.46
  6. Step 6: Final answer
    x = 4,374.95

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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.