Home / 5,237.16-7,223.40-4,923.78

Finding the Fourth Proportional to 5,237.16, 7,223.40 and 4,923.78

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Solution

The fourth proportional to 5,237.16, 7,223.40 and 4,923.78 is: 6,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.16 : 7,223.40 = 4,923.78 : x
  2. Step 2: Convert to fraction form
    5,237.16/7,223.40 = 4,923.78/x
  3. Step 3: Cross multiply
    5,237.16x = 7,223.40 × 4,923.78
  4. Step 4: Simplify right side
    5,237.16x = 35,566,432.45
  5. Step 5: Solve for x
    x = 35,566,432.45/5,237.16
  6. Step 6: Final answer
    x = 6,791.17

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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.