Home / 5,335.11-7,360.72-2,976.80

Finding the Fourth Proportional to 5,335.11, 7,360.72 and 2,976.80

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Solution

The fourth proportional to 5,335.11, 7,360.72 and 2,976.80 is: 4,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.11 : 7,360.72 = 2,976.80 : x
  2. Step 2: Convert to fraction form
    5,335.11/7,360.72 = 2,976.80/x
  3. Step 3: Cross multiply
    5,335.11x = 7,360.72 × 2,976.80
  4. Step 4: Simplify right side
    5,335.11x = 21,911,347.05
  5. Step 5: Solve for x
    x = 21,911,347.05/5,335.11
  6. Step 6: Final answer
    x = 4,107.01

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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.