Home / 5,537.07-7,642.35-3,180.51

Finding the Fourth Proportional to 5,537.07, 7,642.35 and 3,180.51

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Solution

The fourth proportional to 5,537.07, 7,642.35 and 3,180.51 is: 4,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.07 : 7,642.35 = 3,180.51 : x
  2. Step 2: Convert to fraction form
    5,537.07/7,642.35 = 3,180.51/x
  3. Step 3: Cross multiply
    5,537.07x = 7,642.35 × 3,180.51
  4. Step 4: Simplify right side
    5,537.07x = 24,306,570.60
  5. Step 5: Solve for x
    x = 24,306,570.60/5,537.07
  6. Step 6: Final answer
    x = 4,389.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.