Home / 5,357.16-7,392.87-2,999.25

Finding the Fourth Proportional to 5,357.16, 7,392.87 and 2,999.25

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Solution

The fourth proportional to 5,357.16, 7,392.87 and 2,999.25 is: 4,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.16 : 7,392.87 = 2,999.25 : x
  2. Step 2: Convert to fraction form
    5,357.16/7,392.87 = 2,999.25/x
  3. Step 3: Cross multiply
    5,357.16x = 7,392.87 × 2,999.25
  4. Step 4: Simplify right side
    5,357.16x = 22,173,065.35
  5. Step 5: Solve for x
    x = 22,173,065.35/5,357.16
  6. Step 6: Final answer
    x = 4,138.96

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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.