Home / 7,970.79-11,956.61-2,423.71

Finding the Fourth Proportional to 7,970.79, 11,956.61 and 2,423.71

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Solution

The fourth proportional to 7,970.79, 11,956.61 and 2,423.71 is: 3,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.79 : 11,956.61 = 2,423.71 : x
  2. Step 2: Convert to fraction form
    7,970.79/11,956.61 = 2,423.71/x
  3. Step 3: Cross multiply
    7,970.79x = 11,956.61 × 2,423.71
  4. Step 4: Simplify right side
    7,970.79x = 28,979,335.78
  5. Step 5: Solve for x
    x = 28,979,335.78/7,970.79
  6. Step 6: Final answer
    x = 3,635.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.