Home / 5,157.75-7,115.01-3,266.13

Finding the Fourth Proportional to 5,157.75, 7,115.01 and 3,266.13

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Solution

The fourth proportional to 5,157.75, 7,115.01 and 3,266.13 is: 4,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.75 : 7,115.01 = 3,266.13 : x
  2. Step 2: Convert to fraction form
    5,157.75/7,115.01 = 3,266.13/x
  3. Step 3: Cross multiply
    5,157.75x = 7,115.01 × 3,266.13
  4. Step 4: Simplify right side
    5,157.75x = 23,238,547.61
  5. Step 5: Solve for x
    x = 23,238,547.61/5,157.75
  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.