Home / 7,758.50-11,634.33-2,210.58

Finding the Fourth Proportional to 7,758.50, 11,634.33 and 2,210.58

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Solution

The fourth proportional to 7,758.50, 11,634.33 and 2,210.58 is: 3,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.50 : 11,634.33 = 2,210.58 : x
  2. Step 2: Convert to fraction form
    7,758.50/11,634.33 = 2,210.58/x
  3. Step 3: Cross multiply
    7,758.50x = 11,634.33 × 2,210.58
  4. Step 4: Simplify right side
    7,758.50x = 25,718,595.15
  5. Step 5: Solve for x
    x = 25,718,595.15/7,758.50
  6. Step 6: Final answer
    x = 3,314.89

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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.