Home / 5,282.48-7,290.96-3,186.56

Finding the Fourth Proportional to 5,282.48, 7,290.96 and 3,186.56

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Solution

The fourth proportional to 5,282.48, 7,290.96 and 3,186.56 is: 4,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.48 : 7,290.96 = 3,186.56 : x
  2. Step 2: Convert to fraction form
    5,282.48/7,290.96 = 3,186.56/x
  3. Step 3: Cross multiply
    5,282.48x = 7,290.96 × 3,186.56
  4. Step 4: Simplify right side
    5,282.48x = 23,233,081.50
  5. Step 5: Solve for x
    x = 23,233,081.50/5,282.48
  6. Step 6: Final answer
    x = 4,398.14

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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.