Home / 2,440.41-3,365.52-1,631.45

Finding the Fourth Proportional to 2,440.41, 3,365.52 and 1,631.45

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Solution

The fourth proportional to 2,440.41, 3,365.52 and 1,631.45 is: 2,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.41 : 3,365.52 = 1,631.45 : x
  2. Step 2: Convert to fraction form
    2,440.41/3,365.52 = 1,631.45/x
  3. Step 3: Cross multiply
    2,440.41x = 3,365.52 × 1,631.45
  4. Step 4: Simplify right side
    2,440.41x = 5,490,660.78
  5. Step 5: Solve for x
    x = 5,490,660.78/2,440.41
  6. Step 6: Final answer
    x = 2,249.89

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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.