Home / 5,376.78-7,399.76-4,548.35

Finding the Fourth Proportional to 5,376.78, 7,399.76 and 4,548.35

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Solution

The fourth proportional to 5,376.78, 7,399.76 and 4,548.35 is: 6,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.78 : 7,399.76 = 4,548.35 : x
  2. Step 2: Convert to fraction form
    5,376.78/7,399.76 = 4,548.35/x
  3. Step 3: Cross multiply
    5,376.78x = 7,399.76 × 4,548.35
  4. Step 4: Simplify right side
    5,376.78x = 33,656,694.15
  5. Step 5: Solve for x
    x = 33,656,694.15/5,376.78
  6. Step 6: Final answer
    x = 6,259.64

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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.