Home / 7,722.84-11,581.52-3,337.91

Finding the Fourth Proportional to 7,722.84, 11,581.52 and 3,337.91

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Solution

The fourth proportional to 7,722.84, 11,581.52 and 3,337.91 is: 5,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.84 : 11,581.52 = 3,337.91 : x
  2. Step 2: Convert to fraction form
    7,722.84/11,581.52 = 3,337.91/x
  3. Step 3: Cross multiply
    7,722.84x = 11,581.52 × 3,337.91
  4. Step 4: Simplify right side
    7,722.84x = 38,657,996.83
  5. Step 5: Solve for x
    x = 38,657,996.83/7,722.84
  6. Step 6: Final answer
    x = 5,005.67

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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.