Home / 3,112.02-4,294.89-2,324.70

Finding the Fourth Proportional to 3,112.02, 4,294.89 and 2,324.70

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Solution

The fourth proportional to 3,112.02, 4,294.89 and 2,324.70 is: 3,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.02 : 4,294.89 = 2,324.70 : x
  2. Step 2: Convert to fraction form
    3,112.02/4,294.89 = 2,324.70/x
  3. Step 3: Cross multiply
    3,112.02x = 4,294.89 × 2,324.70
  4. Step 4: Simplify right side
    3,112.02x = 9,984,330.78
  5. Step 5: Solve for x
    x = 9,984,330.78/3,112.02
  6. Step 6: Final answer
    x = 3,208.31

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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.