Home / 5,215.29-7,195.10-3,326.94

Finding the Fourth Proportional to 5,215.29, 7,195.10 and 3,326.94

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Solution

The fourth proportional to 5,215.29, 7,195.10 and 3,326.94 is: 4,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.29 : 7,195.10 = 3,326.94 : x
  2. Step 2: Convert to fraction form
    5,215.29/7,195.10 = 3,326.94/x
  3. Step 3: Cross multiply
    5,215.29x = 7,195.10 × 3,326.94
  4. Step 4: Simplify right side
    5,215.29x = 23,937,649.36
  5. Step 5: Solve for x
    x = 23,937,649.36/5,215.29
  6. Step 6: Final answer
    x = 4,589.90

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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.