Home / 5,920.24-8,169.56-3,560.88

Finding the Fourth Proportional to 5,920.24, 8,169.56 and 3,560.88

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Solution

The fourth proportional to 5,920.24, 8,169.56 and 3,560.88 is: 4,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.24 : 8,169.56 = 3,560.88 : x
  2. Step 2: Convert to fraction form
    5,920.24/8,169.56 = 3,560.88/x
  3. Step 3: Cross multiply
    5,920.24x = 8,169.56 × 3,560.88
  4. Step 4: Simplify right side
    5,920.24x = 29,090,822.81
  5. Step 5: Solve for x
    x = 29,090,822.81/5,920.24
  6. Step 6: Final answer
    x = 4,913.79

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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.