Home / 3,526.39-5,290.20-1,186.62

Finding the Fourth Proportional to 3,526.39, 5,290.20 and 1,186.62

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Solution

The fourth proportional to 3,526.39, 5,290.20 and 1,186.62 is: 1,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.39 : 5,290.20 = 1,186.62 : x
  2. Step 2: Convert to fraction form
    3,526.39/5,290.20 = 1,186.62/x
  3. Step 3: Cross multiply
    3,526.39x = 5,290.20 × 1,186.62
  4. Step 4: Simplify right side
    3,526.39x = 6,277,451.19
  5. Step 5: Solve for x
    x = 6,277,451.19/3,526.39
  6. Step 6: Final answer
    x = 1,780.14

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1.5x scale

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.