Home / 1,797.20-2,478.46-1,167.05

Finding the Fourth Proportional to 1,797.20, 2,478.46 and 1,167.05

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Solution

The fourth proportional to 1,797.20, 2,478.46 and 1,167.05 is: 1,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.20 : 2,478.46 = 1,167.05 : x
  2. Step 2: Convert to fraction form
    1,797.20/2,478.46 = 1,167.05/x
  3. Step 3: Cross multiply
    1,797.20x = 2,478.46 × 1,167.05
  4. Step 4: Simplify right side
    1,797.20x = 2,892,486.74
  5. Step 5: Solve for x
    x = 2,892,486.74/1,797.20
  6. Step 6: Final answer
    x = 1,609.44

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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.