Home / 6,725.20-9,280.28-3,740.96

Finding the Fourth Proportional to 6,725.20, 9,280.28 and 3,740.96

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Solution

The fourth proportional to 6,725.20, 9,280.28 and 3,740.96 is: 5,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725.20 : 9,280.28 = 3,740.96 : x
  2. Step 2: Convert to fraction form
    6,725.20/9,280.28 = 3,740.96/x
  3. Step 3: Cross multiply
    6,725.20x = 9,280.28 × 3,740.96
  4. Step 4: Simplify right side
    6,725.20x = 34,717,156.27
  5. Step 5: Solve for x
    x = 34,717,156.27/6,725.20
  6. Step 6: Final answer
    x = 5,162.25

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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.