Home / 2,301.60-3,171.12-2,052.96

Finding the Fourth Proportional to 2,301.60, 3,171.12 and 2,052.96

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Solution

The fourth proportional to 2,301.60, 3,171.12 and 2,052.96 is: 2,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.60 : 3,171.12 = 2,052.96 : x
  2. Step 2: Convert to fraction form
    2,301.60/3,171.12 = 2,052.96/x
  3. Step 3: Cross multiply
    2,301.60x = 3,171.12 × 2,052.96
  4. Step 4: Simplify right side
    2,301.60x = 6,510,182.52
  5. Step 5: Solve for x
    x = 6,510,182.52/2,301.60
  6. Step 6: Final answer
    x = 2,828.55

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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.