Home / 5,862.06-8,780.40-3,641.45

Finding the Fourth Proportional to 5,862.06, 8,780.40 and 3,641.45

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Solution

The fourth proportional to 5,862.06, 8,780.40 and 3,641.45 is: 5,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.06 : 8,780.40 = 3,641.45 : x
  2. Step 2: Convert to fraction form
    5,862.06/8,780.40 = 3,641.45/x
  3. Step 3: Cross multiply
    5,862.06x = 8,780.40 × 3,641.45
  4. Step 4: Simplify right side
    5,862.06x = 31,973,343.68
  5. Step 5: Solve for x
    x = 31,973,343.68/5,862.06
  6. Step 6: Final answer
    x = 5,454.28

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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.