Home / 3,891.87-5,838.69-1,701.23

Finding the Fourth Proportional to 3,891.87, 5,838.69 and 1,701.23

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Solution

The fourth proportional to 3,891.87, 5,838.69 and 1,701.23 is: 2,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.87 : 5,838.69 = 1,701.23 : x
  2. Step 2: Convert to fraction form
    3,891.87/5,838.69 = 1,701.23/x
  3. Step 3: Cross multiply
    3,891.87x = 5,838.69 × 1,701.23
  4. Step 4: Simplify right side
    3,891.87x = 9,932,925.40
  5. Step 5: Solve for x
    x = 9,932,925.40/3,891.87
  6. Step 6: Final answer
    x = 2,552.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.