Home / 2,237.16-3,356.10-776.28

Finding the Fourth Proportional to 2,237.16, 3,356.10 and 776.28

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Solution

The fourth proportional to 2,237.16, 3,356.10 and 776.28 is: 1,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.16 : 3,356.10 = 776.28 : x
  2. Step 2: Convert to fraction form
    2,237.16/3,356.10 = 776.28/x
  3. Step 3: Cross multiply
    2,237.16x = 3,356.10 × 776.28
  4. Step 4: Simplify right side
    2,237.16x = 2,605,273.31
  5. Step 5: Solve for x
    x = 2,605,273.31/2,237.16
  6. Step 6: Final answer
    x = 1,164.54

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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.