Home / 5,051.57-7,574.92-2,859.71

Finding the Fourth Proportional to 5,051.57, 7,574.92 and 2,859.71

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Solution

The fourth proportional to 5,051.57, 7,574.92 and 2,859.71 is: 4,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.57 : 7,574.92 = 2,859.71 : x
  2. Step 2: Convert to fraction form
    5,051.57/7,574.92 = 2,859.71/x
  3. Step 3: Cross multiply
    5,051.57x = 7,574.92 × 2,859.71
  4. Step 4: Simplify right side
    5,051.57x = 21,662,029.45
  5. Step 5: Solve for x
    x = 21,662,029.45/5,051.57
  6. Step 6: Final answer
    x = 4,288.18

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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.