Home / 2,353.32-3,247.56-1,291.14

Finding the Fourth Proportional to 2,353.32, 3,247.56 and 1,291.14

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Solution

The fourth proportional to 2,353.32, 3,247.56 and 1,291.14 is: 1,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.32 : 3,247.56 = 1,291.14 : x
  2. Step 2: Convert to fraction form
    2,353.32/3,247.56 = 1,291.14/x
  3. Step 3: Cross multiply
    2,353.32x = 3,247.56 × 1,291.14
  4. Step 4: Simplify right side
    2,353.32x = 4,193,054.62
  5. Step 5: Solve for x
    x = 4,193,054.62/2,353.32
  6. Step 6: Final answer
    x = 1,781.76

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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.