Home / 2,318.33-3,477.78-837.32

Finding the Fourth Proportional to 2,318.33, 3,477.78 and 837.32

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Solution

The fourth proportional to 2,318.33, 3,477.78 and 837.32 is: 1,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.33 : 3,477.78 = 837.32 : x
  2. Step 2: Convert to fraction form
    2,318.33/3,477.78 = 837.32/x
  3. Step 3: Cross multiply
    2,318.33x = 3,477.78 × 837.32
  4. Step 4: Simplify right side
    2,318.33x = 2,911,997.36
  5. Step 5: Solve for x
    x = 2,911,997.36/2,318.33
  6. Step 6: Final answer
    x = 1,256.07

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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.