Home / 2,176.23-3,261.40-1,003.65

Finding the Fourth Proportional to 2,176.23, 3,261.40 and 1,003.65

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Solution

The fourth proportional to 2,176.23, 3,261.40 and 1,003.65 is: 1,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.23 : 3,261.40 = 1,003.65 : x
  2. Step 2: Convert to fraction form
    2,176.23/3,261.40 = 1,003.65/x
  3. Step 3: Cross multiply
    2,176.23x = 3,261.40 × 1,003.65
  4. Step 4: Simplify right side
    2,176.23x = 3,273,299.09
  5. Step 5: Solve for x
    x = 3,273,299.09/2,176.23
  6. Step 6: Final answer
    x = 1,504.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.