Home / 3,521.24-4,854.82-2,889.48

Finding the Fourth Proportional to 3,521.24, 4,854.82 and 2,889.48

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Solution

The fourth proportional to 3,521.24, 4,854.82 and 2,889.48 is: 3,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.24 : 4,854.82 = 2,889.48 : x
  2. Step 2: Convert to fraction form
    3,521.24/4,854.82 = 2,889.48/x
  3. Step 3: Cross multiply
    3,521.24x = 4,854.82 × 2,889.48
  4. Step 4: Simplify right side
    3,521.24x = 14,027,905.29
  5. Step 5: Solve for x
    x = 14,027,905.29/3,521.24
  6. Step 6: Final answer
    x = 3,983.80

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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.