Home / 2,349.06-3,523.68-1,115.84

Finding the Fourth Proportional to 2,349.06, 3,523.68 and 1,115.84

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Solution

The fourth proportional to 2,349.06, 3,523.68 and 1,115.84 is: 1,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.06 : 3,523.68 = 1,115.84 : x
  2. Step 2: Convert to fraction form
    2,349.06/3,523.68 = 1,115.84/x
  3. Step 3: Cross multiply
    2,349.06x = 3,523.68 × 1,115.84
  4. Step 4: Simplify right side
    2,349.06x = 3,931,863.09
  5. Step 5: Solve for x
    x = 3,931,863.09/2,349.06
  6. Step 6: Final answer
    x = 1,673.80

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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.