Home / 2,306.16-3,183.45-1,561.14

Finding the Fourth Proportional to 2,306.16, 3,183.45 and 1,561.14

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Solution

The fourth proportional to 2,306.16, 3,183.45 and 1,561.14 is: 2,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.16 : 3,183.45 = 1,561.14 : x
  2. Step 2: Convert to fraction form
    2,306.16/3,183.45 = 1,561.14/x
  3. Step 3: Cross multiply
    2,306.16x = 3,183.45 × 1,561.14
  4. Step 4: Simplify right side
    2,306.16x = 4,969,811.13
  5. Step 5: Solve for x
    x = 4,969,811.13/2,306.16
  6. Step 6: Final answer
    x = 2,155.02

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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.