Home / 7,970.52-11,955.76-2,423.84

Finding the Fourth Proportional to 7,970.52, 11,955.76 and 2,423.84

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Solution

The fourth proportional to 7,970.52, 11,955.76 and 2,423.84 is: 3,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.52 : 11,955.76 = 2,423.84 : x
  2. Step 2: Convert to fraction form
    7,970.52/11,955.76 = 2,423.84/x
  3. Step 3: Cross multiply
    7,970.52x = 11,955.76 × 2,423.84
  4. Step 4: Simplify right side
    7,970.52x = 28,978,849.32
  5. Step 5: Solve for x
    x = 28,978,849.32/7,970.52
  6. Step 6: Final answer
    x = 3,635.75

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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.