Home / 5,053.27-6,976.05-3,916.40

Finding the Fourth Proportional to 5,053.27, 6,976.05 and 3,916.40

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Solution

The fourth proportional to 5,053.27, 6,976.05 and 3,916.40 is: 5,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.27 : 6,976.05 = 3,916.40 : x
  2. Step 2: Convert to fraction form
    5,053.27/6,976.05 = 3,916.40/x
  3. Step 3: Cross multiply
    5,053.27x = 6,976.05 × 3,916.40
  4. Step 4: Simplify right side
    5,053.27x = 27,321,032.34
  5. Step 5: Solve for x
    x = 27,321,032.34/5,053.27
  6. Step 6: Final answer
    x = 5,406.61

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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.