Home / 7,967.03-11,952.28-2,420.81

Finding the Fourth Proportional to 7,967.03, 11,952.28 and 2,420.81

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Solution

The fourth proportional to 7,967.03, 11,952.28 and 2,420.81 is: 3,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.03 : 11,952.28 = 2,420.81 : x
  2. Step 2: Convert to fraction form
    7,967.03/11,952.28 = 2,420.81/x
  3. Step 3: Cross multiply
    7,967.03x = 11,952.28 × 2,420.81
  4. Step 4: Simplify right side
    7,967.03x = 28,934,227.46
  5. Step 5: Solve for x
    x = 28,934,227.46/7,967.03
  6. Step 6: Final answer
    x = 3,631.74

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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.