Home / 2,881.89-4,301.28-2,651.04

Finding the Fourth Proportional to 2,881.89, 4,301.28 and 2,651.04

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Solution

The fourth proportional to 2,881.89, 4,301.28 and 2,651.04 is: 3,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.89 : 4,301.28 = 2,651.04 : x
  2. Step 2: Convert to fraction form
    2,881.89/4,301.28 = 2,651.04/x
  3. Step 3: Cross multiply
    2,881.89x = 4,301.28 × 2,651.04
  4. Step 4: Simplify right side
    2,881.89x = 11,402,865.33
  5. Step 5: Solve for x
    x = 11,402,865.33/2,881.89
  6. Step 6: Final answer
    x = 3,956.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.