Home / 5,215.19-7,822.98-2,293.52

Finding the Fourth Proportional to 5,215.19, 7,822.98 and 2,293.52

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Solution

The fourth proportional to 5,215.19, 7,822.98 and 2,293.52 is: 3,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.19 : 7,822.98 = 2,293.52 : x
  2. Step 2: Convert to fraction form
    5,215.19/7,822.98 = 2,293.52/x
  3. Step 3: Cross multiply
    5,215.19x = 7,822.98 × 2,293.52
  4. Step 4: Simplify right side
    5,215.19x = 17,942,121.97
  5. Step 5: Solve for x
    x = 17,942,121.97/5,215.19
  6. Step 6: Final answer
    x = 3,440.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.