Home / 5,243.38-7,235.98-3,005.46

Finding the Fourth Proportional to 5,243.38, 7,235.98 and 3,005.46

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Solution

The fourth proportional to 5,243.38, 7,235.98 and 3,005.46 is: 4,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.38 : 7,235.98 = 3,005.46 : x
  2. Step 2: Convert to fraction form
    5,243.38/7,235.98 = 3,005.46/x
  3. Step 3: Cross multiply
    5,243.38x = 7,235.98 × 3,005.46
  4. Step 4: Simplify right side
    5,243.38x = 21,747,448.45
  5. Step 5: Solve for x
    x = 21,747,448.45/5,243.38
  6. Step 6: Final answer
    x = 4,147.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.