Home / 5,270.79-7,273.83-2,913.08

Finding the Fourth Proportional to 5,270.79, 7,273.83 and 2,913.08

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Solution

The fourth proportional to 5,270.79, 7,273.83 and 2,913.08 is: 4,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.79 : 7,273.83 = 2,913.08 : x
  2. Step 2: Convert to fraction form
    5,270.79/7,273.83 = 2,913.08/x
  3. Step 3: Cross multiply
    5,270.79x = 7,273.83 × 2,913.08
  4. Step 4: Simplify right side
    5,270.79x = 21,189,248.70
  5. Step 5: Solve for x
    x = 21,189,248.70/5,270.79
  6. Step 6: Final answer
    x = 4,020.13

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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.