Home / 3,512.07-5,266.80-1,171.62

Finding the Fourth Proportional to 3,512.07, 5,266.80 and 1,171.62

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Solution

The fourth proportional to 3,512.07, 5,266.80 and 1,171.62 is: 1,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.07 : 5,266.80 = 1,171.62 : x
  2. Step 2: Convert to fraction form
    3,512.07/5,266.80 = 1,171.62/x
  3. Step 3: Cross multiply
    3,512.07x = 5,266.80 × 1,171.62
  4. Step 4: Simplify right side
    3,512.07x = 6,170,688.22
  5. Step 5: Solve for x
    x = 6,170,688.22/3,512.07
  6. Step 6: Final answer
    x = 1,756.99

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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.