Home / 4,905.25-7,357.88-1,442.50

Finding the Fourth Proportional to 4,905.25, 7,357.88 and 1,442.50

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Solution

The fourth proportional to 4,905.25, 7,357.88 and 1,442.50 is: 2,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.25 : 7,357.88 = 1,442.50 : x
  2. Step 2: Convert to fraction form
    4,905.25/7,357.88 = 1,442.50/x
  3. Step 3: Cross multiply
    4,905.25x = 7,357.88 × 1,442.50
  4. Step 4: Simplify right side
    4,905.25x = 10,613,741.90
  5. Step 5: Solve for x
    x = 10,613,741.90/4,905.25
  6. Step 6: Final answer
    x = 2,163.75

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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.