Home / 4,003.66-5,525.55-2,431.34

Finding the Fourth Proportional to 4,003.66, 5,525.55 and 2,431.34

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Solution

The fourth proportional to 4,003.66, 5,525.55 and 2,431.34 is: 3,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.66 : 5,525.55 = 2,431.34 : x
  2. Step 2: Convert to fraction form
    4,003.66/5,525.55 = 2,431.34/x
  3. Step 3: Cross multiply
    4,003.66x = 5,525.55 × 2,431.34
  4. Step 4: Simplify right side
    4,003.66x = 13,434,490.74
  5. Step 5: Solve for x
    x = 13,434,490.74/4,003.66
  6. Step 6: Final answer
    x = 3,355.55

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Half scale
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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.