Home / 5,587.96-7,712.34-3,231.48

Finding the Fourth Proportional to 5,587.96, 7,712.34 and 3,231.48

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Solution

The fourth proportional to 5,587.96, 7,712.34 and 3,231.48 is: 4,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.96 : 7,712.34 = 3,231.48 : x
  2. Step 2: Convert to fraction form
    5,587.96/7,712.34 = 3,231.48/x
  3. Step 3: Cross multiply
    5,587.96x = 7,712.34 × 3,231.48
  4. Step 4: Simplify right side
    5,587.96x = 24,922,233.90
  5. Step 5: Solve for x
    x = 24,922,233.90/5,587.96
  6. Step 6: Final answer
    x = 4,459.99

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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.