Home / 3,791.20-5,686.80-1,599.34

Finding the Fourth Proportional to 3,791.20, 5,686.80 and 1,599.34

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Solution

The fourth proportional to 3,791.20, 5,686.80 and 1,599.34 is: 2,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.20 : 5,686.80 = 1,599.34 : x
  2. Step 2: Convert to fraction form
    3,791.20/5,686.80 = 1,599.34/x
  3. Step 3: Cross multiply
    3,791.20x = 5,686.80 × 1,599.34
  4. Step 4: Simplify right side
    3,791.20x = 9,095,126.71
  5. Step 5: Solve for x
    x = 9,095,126.71/3,791.20
  6. Step 6: Final answer
    x = 2,399.01

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1.5x scale

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.