Home / 3,636.71-5,453.34-1,170.87

Finding the Fourth Proportional to 3,636.71, 5,453.34 and 1,170.87

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Solution

The fourth proportional to 3,636.71, 5,453.34 and 1,170.87 is: 1,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.71 : 5,453.34 = 1,170.87 : x
  2. Step 2: Convert to fraction form
    3,636.71/5,453.34 = 1,170.87/x
  3. Step 3: Cross multiply
    3,636.71x = 5,453.34 × 1,170.87
  4. Step 4: Simplify right side
    3,636.71x = 6,385,152.21
  5. Step 5: Solve for x
    x = 6,385,152.21/3,636.71
  6. Step 6: Final answer
    x = 1,755.75

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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.