Home / 3,453.17-5,177.93-1,261.71

Finding the Fourth Proportional to 3,453.17, 5,177.93 and 1,261.71

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Solution

The fourth proportional to 3,453.17, 5,177.93 and 1,261.71 is: 1,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.17 : 5,177.93 = 1,261.71 : x
  2. Step 2: Convert to fraction form
    3,453.17/5,177.93 = 1,261.71/x
  3. Step 3: Cross multiply
    3,453.17x = 5,177.93 × 1,261.71
  4. Step 4: Simplify right side
    3,453.17x = 6,533,039.75
  5. Step 5: Solve for x
    x = 6,533,039.75/3,453.17
  6. Step 6: Final answer
    x = 1,891.90

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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.