Home / 5,717.42-7,888.29-3,727.25

Finding the Fourth Proportional to 5,717.42, 7,888.29 and 3,727.25

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Solution

The fourth proportional to 5,717.42, 7,888.29 and 3,727.25 is: 5,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.42 : 7,888.29 = 3,727.25 : x
  2. Step 2: Convert to fraction form
    5,717.42/7,888.29 = 3,727.25/x
  3. Step 3: Cross multiply
    5,717.42x = 7,888.29 × 3,727.25
  4. Step 4: Simplify right side
    5,717.42x = 29,401,628.90
  5. Step 5: Solve for x
    x = 29,401,628.90/5,717.42
  6. Step 6: Final answer
    x = 5,142.46

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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.