Home / 3,527.69-5,291.33-1,187.60

Finding the Fourth Proportional to 3,527.69, 5,291.33 and 1,187.60

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Solution

The fourth proportional to 3,527.69, 5,291.33 and 1,187.60 is: 1,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.69 : 5,291.33 = 1,187.60 : x
  2. Step 2: Convert to fraction form
    3,527.69/5,291.33 = 1,187.60/x
  3. Step 3: Cross multiply
    3,527.69x = 5,291.33 × 1,187.60
  4. Step 4: Simplify right side
    3,527.69x = 6,283,951.11
  5. Step 5: Solve for x
    x = 6,283,951.11/3,527.69
  6. Step 6: Final answer
    x = 1,781.32

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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.