Home / 3,527.26-5,291.68-1,187.36

Finding the Fourth Proportional to 3,527.26, 5,291.68 and 1,187.36

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Solution

The fourth proportional to 3,527.26, 5,291.68 and 1,187.36 is: 1,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.26 : 5,291.68 = 1,187.36 : x
  2. Step 2: Convert to fraction form
    3,527.26/5,291.68 = 1,187.36/x
  3. Step 3: Cross multiply
    3,527.26x = 5,291.68 × 1,187.36
  4. Step 4: Simplify right side
    3,527.26x = 6,283,129.16
  5. Step 5: Solve for x
    x = 6,283,129.16/3,527.26
  6. Step 6: Final answer
    x = 1,781.31

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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.