Home / 5,169.16-7,135.89-3,307.24

Finding the Fourth Proportional to 5,169.16, 7,135.89 and 3,307.24

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Solution

The fourth proportional to 5,169.16, 7,135.89 and 3,307.24 is: 4,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.16 : 7,135.89 = 3,307.24 : x
  2. Step 2: Convert to fraction form
    5,169.16/7,135.89 = 3,307.24/x
  3. Step 3: Cross multiply
    5,169.16x = 7,135.89 × 3,307.24
  4. Step 4: Simplify right side
    5,169.16x = 23,600,100.84
  5. Step 5: Solve for x
    x = 23,600,100.84/5,169.16
  6. Step 6: Final answer
    x = 4,565.56

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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.