Home / 7,279.76-10,046.01-4,135.95

Finding the Fourth Proportional to 7,279.76, 10,046.01 and 4,135.95

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Solution

The fourth proportional to 7,279.76, 10,046.01 and 4,135.95 is: 5,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.76 : 10,046.01 = 4,135.95 : x
  2. Step 2: Convert to fraction form
    7,279.76/10,046.01 = 4,135.95/x
  3. Step 3: Cross multiply
    7,279.76x = 10,046.01 × 4,135.95
  4. Step 4: Simplify right side
    7,279.76x = 41,549,795.06
  5. Step 5: Solve for x
    x = 41,549,795.06/7,279.76
  6. Step 6: Final answer
    x = 5,707.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.