Home / 3,122.61-4,304.25-2,458.59

Finding the Fourth Proportional to 3,122.61, 4,304.25 and 2,458.59

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Solution

The fourth proportional to 3,122.61, 4,304.25 and 2,458.59 is: 3,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.61 : 4,304.25 = 2,458.59 : x
  2. Step 2: Convert to fraction form
    3,122.61/4,304.25 = 2,458.59/x
  3. Step 3: Cross multiply
    3,122.61x = 4,304.25 × 2,458.59
  4. Step 4: Simplify right side
    3,122.61x = 10,582,386.01
  5. Step 5: Solve for x
    x = 10,582,386.01/3,122.61
  6. Step 6: Final answer
    x = 3,388.96

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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.