Home / 3,526.76-5,290.92-1,186.86

Finding the Fourth Proportional to 3,526.76, 5,290.92 and 1,186.86

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Solution

The fourth proportional to 3,526.76, 5,290.92 and 1,186.86 is: 1,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.76 : 5,290.92 = 1,186.86 : x
  2. Step 2: Convert to fraction form
    3,526.76/5,290.92 = 1,186.86/x
  3. Step 3: Cross multiply
    3,526.76x = 5,290.92 × 1,186.86
  4. Step 4: Simplify right side
    3,526.76x = 6,279,581.31
  5. Step 5: Solve for x
    x = 6,279,581.31/3,526.76
  6. Step 6: Final answer
    x = 1,780.55

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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.