Home / 3,721.51-5,582.20-1,124.44

Finding the Fourth Proportional to 3,721.51, 5,582.20 and 1,124.44

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Solution

The fourth proportional to 3,721.51, 5,582.20 and 1,124.44 is: 1,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.51 : 5,582.20 = 1,124.44 : x
  2. Step 2: Convert to fraction form
    3,721.51/5,582.20 = 1,124.44/x
  3. Step 3: Cross multiply
    3,721.51x = 5,582.20 × 1,124.44
  4. Step 4: Simplify right side
    3,721.51x = 6,276,848.97
  5. Step 5: Solve for x
    x = 6,276,848.97/3,721.51
  6. Step 6: Final answer
    x = 1,686.64

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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.