Home / 4,828.24-6,657.30-3,147.28

Finding the Fourth Proportional to 4,828.24, 6,657.30 and 3,147.28

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Solution

The fourth proportional to 4,828.24, 6,657.30 and 3,147.28 is: 4,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.24 : 6,657.30 = 3,147.28 : x
  2. Step 2: Convert to fraction form
    4,828.24/6,657.30 = 3,147.28/x
  3. Step 3: Cross multiply
    4,828.24x = 6,657.30 × 3,147.28
  4. Step 4: Simplify right side
    4,828.24x = 20,952,387.14
  5. Step 5: Solve for x
    x = 20,952,387.14/4,828.24
  6. Step 6: Final answer
    x = 4,339.55

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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.