Home / 5,315.18-7,973.73-2,194.58

Finding the Fourth Proportional to 5,315.18, 7,973.73 and 2,194.58

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Solution

The fourth proportional to 5,315.18, 7,973.73 and 2,194.58 is: 3,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.18 : 7,973.73 = 2,194.58 : x
  2. Step 2: Convert to fraction form
    5,315.18/7,973.73 = 2,194.58/x
  3. Step 3: Cross multiply
    5,315.18x = 7,973.73 × 2,194.58
  4. Step 4: Simplify right side
    5,315.18x = 17,498,948.51
  5. Step 5: Solve for x
    x = 17,498,948.51/5,315.18
  6. Step 6: Final answer
    x = 3,292.26

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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.