Home / 2,608.14-3,599.40-1,722.39

Finding the Fourth Proportional to 2,608.14, 3,599.40 and 1,722.39

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Solution

The fourth proportional to 2,608.14, 3,599.40 and 1,722.39 is: 2,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.14 : 3,599.40 = 1,722.39 : x
  2. Step 2: Convert to fraction form
    2,608.14/3,599.40 = 1,722.39/x
  3. Step 3: Cross multiply
    2,608.14x = 3,599.40 × 1,722.39
  4. Step 4: Simplify right side
    2,608.14x = 6,199,570.57
  5. Step 5: Solve for x
    x = 6,199,570.57/2,608.14
  6. Step 6: Final answer
    x = 2,377.01

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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.