Home / 3,081.53-4,247.34-2,335.25

Finding the Fourth Proportional to 3,081.53, 4,247.34 and 2,335.25

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Solution

The fourth proportional to 3,081.53, 4,247.34 and 2,335.25 is: 3,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.53 : 4,247.34 = 2,335.25 : x
  2. Step 2: Convert to fraction form
    3,081.53/4,247.34 = 2,335.25/x
  3. Step 3: Cross multiply
    3,081.53x = 4,247.34 × 2,335.25
  4. Step 4: Simplify right side
    3,081.53x = 9,918,602.60
  5. Step 5: Solve for x
    x = 9,918,602.60/3,081.53
  6. Step 6: Final answer
    x = 3,218.72

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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.