Home / 5,308.96-7,910.75-4,727.38

Finding the Fourth Proportional to 5,308.96, 7,910.75 and 4,727.38

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Solution

The fourth proportional to 5,308.96, 7,910.75 and 4,727.38 is: 7,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.96 : 7,910.75 = 4,727.38 : x
  2. Step 2: Convert to fraction form
    5,308.96/7,910.75 = 4,727.38/x
  3. Step 3: Cross multiply
    5,308.96x = 7,910.75 × 4,727.38
  4. Step 4: Simplify right side
    5,308.96x = 37,397,121.34
  5. Step 5: Solve for x
    x = 37,397,121.34/5,308.96
  6. Step 6: Final answer
    x = 7,044.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.