Home / 5,256.38-7,870.66-3,173.60

Finding the Fourth Proportional to 5,256.38, 7,870.66 and 3,173.60

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Solution

The fourth proportional to 5,256.38, 7,870.66 and 3,173.60 is: 4,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.38 : 7,870.66 = 3,173.60 : x
  2. Step 2: Convert to fraction form
    5,256.38/7,870.66 = 3,173.60/x
  3. Step 3: Cross multiply
    5,256.38x = 7,870.66 × 3,173.60
  4. Step 4: Simplify right side
    5,256.38x = 24,978,326.58
  5. Step 5: Solve for x
    x = 24,978,326.58/5,256.38
  6. Step 6: Final answer
    x = 4,752.00

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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.