Home / 2,701.20-3,728.22-1,582.68

Finding the Fourth Proportional to 2,701.20, 3,728.22 and 1,582.68

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Solution

The fourth proportional to 2,701.20, 3,728.22 and 1,582.68 is: 2,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.20 : 3,728.22 = 1,582.68 : x
  2. Step 2: Convert to fraction form
    2,701.20/3,728.22 = 1,582.68/x
  3. Step 3: Cross multiply
    2,701.20x = 3,728.22 × 1,582.68
  4. Step 4: Simplify right side
    2,701.20x = 5,900,579.23
  5. Step 5: Solve for x
    x = 5,900,579.23/2,701.20
  6. Step 6: Final answer
    x = 2,184.43

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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.