Home / 5,340.89-7,370.40-2,983.01

Finding the Fourth Proportional to 5,340.89, 7,370.40 and 2,983.01

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Solution

The fourth proportional to 5,340.89, 7,370.40 and 2,983.01 is: 4,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.89 : 7,370.40 = 2,983.01 : x
  2. Step 2: Convert to fraction form
    5,340.89/7,370.40 = 2,983.01/x
  3. Step 3: Cross multiply
    5,340.89x = 7,370.40 × 2,983.01
  4. Step 4: Simplify right side
    5,340.89x = 21,985,976.90
  5. Step 5: Solve for x
    x = 21,985,976.90/5,340.89
  6. Step 6: Final answer
    x = 4,116.54

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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.