Home / 2,841.50-3,921.36-1,599.50

Finding the Fourth Proportional to 2,841.50, 3,921.36 and 1,599.50

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Solution

The fourth proportional to 2,841.50, 3,921.36 and 1,599.50 is: 2,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.50 : 3,921.36 = 1,599.50 : x
  2. Step 2: Convert to fraction form
    2,841.50/3,921.36 = 1,599.50/x
  3. Step 3: Cross multiply
    2,841.50x = 3,921.36 × 1,599.50
  4. Step 4: Simplify right side
    2,841.50x = 6,272,215.32
  5. Step 5: Solve for x
    x = 6,272,215.32/2,841.50
  6. Step 6: Final answer
    x = 2,207.36

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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.