Home / 2,323.85-3,206.91-1,261.61

Finding the Fourth Proportional to 2,323.85, 3,206.91 and 1,261.61

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Solution

The fourth proportional to 2,323.85, 3,206.91 and 1,261.61 is: 1,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.85 : 3,206.91 = 1,261.61 : x
  2. Step 2: Convert to fraction form
    2,323.85/3,206.91 = 1,261.61/x
  3. Step 3: Cross multiply
    2,323.85x = 3,206.91 × 1,261.61
  4. Step 4: Simplify right side
    2,323.85x = 4,045,882.08
  5. Step 5: Solve for x
    x = 4,045,882.08/2,323.85
  6. Step 6: Final answer
    x = 1,741.03

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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.