Home / 3,230.55-4,456.78-2,393.22

Finding the Fourth Proportional to 3,230.55, 4,456.78 and 2,393.22

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Solution

The fourth proportional to 3,230.55, 4,456.78 and 2,393.22 is: 3,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.55 : 4,456.78 = 2,393.22 : x
  2. Step 2: Convert to fraction form
    3,230.55/4,456.78 = 2,393.22/x
  3. Step 3: Cross multiply
    3,230.55x = 4,456.78 × 2,393.22
  4. Step 4: Simplify right side
    3,230.55x = 10,666,041.31
  5. Step 5: Solve for x
    x = 10,666,041.31/3,230.55
  6. Step 6: Final answer
    x = 3,301.61

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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.