Home / 5,732.30-7,910.51-3,215.05

Finding the Fourth Proportional to 5,732.30, 7,910.51 and 3,215.05

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Solution

The fourth proportional to 5,732.30, 7,910.51 and 3,215.05 is: 4,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.30 : 7,910.51 = 3,215.05 : x
  2. Step 2: Convert to fraction form
    5,732.30/7,910.51 = 3,215.05/x
  3. Step 3: Cross multiply
    5,732.30x = 7,910.51 × 3,215.05
  4. Step 4: Simplify right side
    5,732.30x = 25,432,649.32
  5. Step 5: Solve for x
    x = 25,432,649.32/5,732.30
  6. Step 6: Final answer
    x = 4,436.72

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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.