Home / 2,841.25-3,920.99-1,599.25

Finding the Fourth Proportional to 2,841.25, 3,920.99 and 1,599.25

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Solution

The fourth proportional to 2,841.25, 3,920.99 and 1,599.25 is: 2,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.25 : 3,920.99 = 1,599.25 : x
  2. Step 2: Convert to fraction form
    2,841.25/3,920.99 = 1,599.25/x
  3. Step 3: Cross multiply
    2,841.25x = 3,920.99 × 1,599.25
  4. Step 4: Simplify right side
    2,841.25x = 6,270,635.26
  5. Step 5: Solve for x
    x = 6,270,635.26/2,841.25
  6. Step 6: Final answer
    x = 2,207.00

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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.