Home / 2,167.05-3,253.58-1,113.61

Finding the Fourth Proportional to 2,167.05, 3,253.58 and 1,113.61

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Solution

The fourth proportional to 2,167.05, 3,253.58 and 1,113.61 is: 1,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.05 : 3,253.58 = 1,113.61 : x
  2. Step 2: Convert to fraction form
    2,167.05/3,253.58 = 1,113.61/x
  3. Step 3: Cross multiply
    2,167.05x = 3,253.58 × 1,113.61
  4. Step 4: Simplify right side
    2,167.05x = 3,623,219.22
  5. Step 5: Solve for x
    x = 3,623,219.22/2,167.05
  6. Step 6: Final answer
    x = 1,671.96

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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.