Home / 5,815.31-8,734.15-4,984.25

Finding the Fourth Proportional to 5,815.31, 8,734.15 and 4,984.25

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Solution

The fourth proportional to 5,815.31, 8,734.15 and 4,984.25 is: 7,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.31 : 8,734.15 = 4,984.25 : x
  2. Step 2: Convert to fraction form
    5,815.31/8,734.15 = 4,984.25/x
  3. Step 3: Cross multiply
    5,815.31x = 8,734.15 × 4,984.25
  4. Step 4: Simplify right side
    5,815.31x = 43,533,143.47
  5. Step 5: Solve for x
    x = 43,533,143.47/5,815.31
  6. Step 6: Final answer
    x = 7,485.96

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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.