Home / 5,157.74-7,115.02-3,266.12

Finding the Fourth Proportional to 5,157.74, 7,115.02 and 3,266.12

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Solution

The fourth proportional to 5,157.74, 7,115.02 and 3,266.12 is: 4,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.74 : 7,115.02 = 3,266.12 : x
  2. Step 2: Convert to fraction form
    5,157.74/7,115.02 = 3,266.12/x
  3. Step 3: Cross multiply
    5,157.74x = 7,115.02 × 3,266.12
  4. Step 4: Simplify right side
    5,157.74x = 23,238,509.12
  5. Step 5: Solve for x
    x = 23,238,509.12/5,157.74
  6. Step 6: Final answer
    x = 4,505.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.