Home / 2,622.87-3,618.18-1,560.33

Finding the Fourth Proportional to 2,622.87, 3,618.18 and 1,560.33

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Solution

The fourth proportional to 2,622.87, 3,618.18 and 1,560.33 is: 2,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.87 : 3,618.18 = 1,560.33 : x
  2. Step 2: Convert to fraction form
    2,622.87/3,618.18 = 1,560.33/x
  3. Step 3: Cross multiply
    2,622.87x = 3,618.18 × 1,560.33
  4. Step 4: Simplify right side
    2,622.87x = 5,645,554.80
  5. Step 5: Solve for x
    x = 5,645,554.80/2,622.87
  6. Step 6: Final answer
    x = 2,152.43

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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.