Home / 5,261.38-7,894.40-2,795.60

Finding the Fourth Proportional to 5,261.38, 7,894.40 and 2,795.60

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Solution

The fourth proportional to 5,261.38, 7,894.40 and 2,795.60 is: 4,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.38 : 7,894.40 = 2,795.60 : x
  2. Step 2: Convert to fraction form
    5,261.38/7,894.40 = 2,795.60/x
  3. Step 3: Cross multiply
    5,261.38x = 7,894.40 × 2,795.60
  4. Step 4: Simplify right side
    5,261.38x = 22,069,590.40
  5. Step 5: Solve for x
    x = 22,069,590.40/5,261.38
  6. Step 6: Final answer
    x = 4,194.64

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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.