Home / 2,296.40-3,162.12-1,881.68

Finding the Fourth Proportional to 2,296.40, 3,162.12 and 1,881.68

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Solution

The fourth proportional to 2,296.40, 3,162.12 and 1,881.68 is: 2,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.40 : 3,162.12 = 1,881.68 : x
  2. Step 2: Convert to fraction form
    2,296.40/3,162.12 = 1,881.68/x
  3. Step 3: Cross multiply
    2,296.40x = 3,162.12 × 1,881.68
  4. Step 4: Simplify right side
    2,296.40x = 5,950,097.96
  5. Step 5: Solve for x
    x = 5,950,097.96/2,296.40
  6. Step 6: Final answer
    x = 2,591.05

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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.