Home / 5,487.92-7,574.34-3,249.89

Finding the Fourth Proportional to 5,487.92, 7,574.34 and 3,249.89

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Solution

The fourth proportional to 5,487.92, 7,574.34 and 3,249.89 is: 4,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.92 : 7,574.34 = 3,249.89 : x
  2. Step 2: Convert to fraction form
    5,487.92/7,574.34 = 3,249.89/x
  3. Step 3: Cross multiply
    5,487.92x = 7,574.34 × 3,249.89
  4. Step 4: Simplify right side
    5,487.92x = 24,615,774.54
  5. Step 5: Solve for x
    x = 24,615,774.54/5,487.92
  6. Step 6: Final answer
    x = 4,485.45

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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.