Home / 5,440.43-7,507.80-2,956.43

Finding the Fourth Proportional to 5,440.43, 7,507.80 and 2,956.43

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Solution

The fourth proportional to 5,440.43, 7,507.80 and 2,956.43 is: 4,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.43 : 7,507.80 = 2,956.43 : x
  2. Step 2: Convert to fraction form
    5,440.43/7,507.80 = 2,956.43/x
  3. Step 3: Cross multiply
    5,440.43x = 7,507.80 × 2,956.43
  4. Step 4: Simplify right side
    5,440.43x = 22,196,285.15
  5. Step 5: Solve for x
    x = 22,196,285.15/5,440.43
  6. Step 6: Final answer
    x = 4,079.88

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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.