Home / 3,118.13-4,297.08-2,232.39

Finding the Fourth Proportional to 3,118.13, 4,297.08 and 2,232.39

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Solution

The fourth proportional to 3,118.13, 4,297.08 and 2,232.39 is: 3,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.13 : 4,297.08 = 2,232.39 : x
  2. Step 2: Convert to fraction form
    3,118.13/4,297.08 = 2,232.39/x
  3. Step 3: Cross multiply
    3,118.13x = 4,297.08 × 2,232.39
  4. Step 4: Simplify right side
    3,118.13x = 9,592,758.42
  5. Step 5: Solve for x
    x = 9,592,758.42/3,118.13
  6. Step 6: Final answer
    x = 3,076.45

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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.