Home / 7,311.47-10,967.25-2,381.54

Finding the Fourth Proportional to 7,311.47, 10,967.25 and 2,381.54

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Solution

The fourth proportional to 7,311.47, 10,967.25 and 2,381.54 is: 3,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.47 : 10,967.25 = 2,381.54 : x
  2. Step 2: Convert to fraction form
    7,311.47/10,967.25 = 2,381.54/x
  3. Step 3: Cross multiply
    7,311.47x = 10,967.25 × 2,381.54
  4. Step 4: Simplify right side
    7,311.47x = 26,118,944.57
  5. Step 5: Solve for x
    x = 26,118,944.57/7,311.47
  6. Step 6: Final answer
    x = 3,572.32

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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.