Home / 5,670.96-7,825.08-3,186.48

Finding the Fourth Proportional to 5,670.96, 7,825.08 and 3,186.48

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Solution

The fourth proportional to 5,670.96, 7,825.08 and 3,186.48 is: 4,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.96 : 7,825.08 = 3,186.48 : x
  2. Step 2: Convert to fraction form
    5,670.96/7,825.08 = 3,186.48/x
  3. Step 3: Cross multiply
    5,670.96x = 7,825.08 × 3,186.48
  4. Step 4: Simplify right side
    5,670.96x = 24,934,460.92
  5. Step 5: Solve for x
    x = 24,934,460.92/5,670.96
  6. Step 6: Final answer
    x = 4,396.87

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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.