Home / 6,273.12-8,657.36-3,479.20

Finding the Fourth Proportional to 6,273.12, 8,657.36 and 3,479.20

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Solution

The fourth proportional to 6,273.12, 8,657.36 and 3,479.20 is: 4,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,273.12 : 8,657.36 = 3,479.20 : x
  2. Step 2: Convert to fraction form
    6,273.12/8,657.36 = 3,479.20/x
  3. Step 3: Cross multiply
    6,273.12x = 8,657.36 × 3,479.20
  4. Step 4: Simplify right side
    6,273.12x = 30,120,686.91
  5. Step 5: Solve for x
    x = 30,120,686.91/6,273.12
  6. Step 6: Final answer
    x = 4,801.55

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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.