Home / 7,970.69-11,955.62-2,423.91

Finding the Fourth Proportional to 7,970.69, 11,955.62 and 2,423.91

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Solution

The fourth proportional to 7,970.69, 11,955.62 and 2,423.91 is: 3,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.69 : 11,955.62 = 2,423.91 : x
  2. Step 2: Convert to fraction form
    7,970.69/11,955.62 = 2,423.91/x
  3. Step 3: Cross multiply
    7,970.69x = 11,955.62 × 2,423.91
  4. Step 4: Simplify right side
    7,970.69x = 28,979,346.87
  5. Step 5: Solve for x
    x = 28,979,346.87/7,970.69
  6. Step 6: Final answer
    x = 3,635.74

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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.