Home / 2,261.11-3,120.65-1,632.49

Finding the Fourth Proportional to 2,261.11, 3,120.65 and 1,632.49

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Solution

The fourth proportional to 2,261.11, 3,120.65 and 1,632.49 is: 2,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.11 : 3,120.65 = 1,632.49 : x
  2. Step 2: Convert to fraction form
    2,261.11/3,120.65 = 1,632.49/x
  3. Step 3: Cross multiply
    2,261.11x = 3,120.65 × 1,632.49
  4. Step 4: Simplify right side
    2,261.11x = 5,094,429.92
  5. Step 5: Solve for x
    x = 5,094,429.92/2,261.11
  6. Step 6: Final answer
    x = 2,253.07

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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.