Home / 5,342.09-7,371.81-2,983.77

Finding the Fourth Proportional to 5,342.09, 7,371.81 and 2,983.77

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Solution

The fourth proportional to 5,342.09, 7,371.81 and 2,983.77 is: 4,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.09 : 7,371.81 = 2,983.77 : x
  2. Step 2: Convert to fraction form
    5,342.09/7,371.81 = 2,983.77/x
  3. Step 3: Cross multiply
    5,342.09x = 7,371.81 × 2,983.77
  4. Step 4: Simplify right side
    5,342.09x = 21,995,785.52
  5. Step 5: Solve for x
    x = 21,995,785.52/5,342.09
  6. Step 6: Final answer
    x = 4,117.45

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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.