Home / 7,486.08-11,228.70-2,291.95

Finding the Fourth Proportional to 7,486.08, 11,228.70 and 2,291.95

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Solution

The fourth proportional to 7,486.08, 11,228.70 and 2,291.95 is: 3,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.08 : 11,228.70 = 2,291.95 : x
  2. Step 2: Convert to fraction form
    7,486.08/11,228.70 = 2,291.95/x
  3. Step 3: Cross multiply
    7,486.08x = 11,228.70 × 2,291.95
  4. Step 4: Simplify right side
    7,486.08x = 25,735,618.97
  5. Step 5: Solve for x
    x = 25,735,618.97/7,486.08
  6. Step 6: Final answer
    x = 3,437.80

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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.