Home / 5,273.70-7,277.48-2,883.63

Finding the Fourth Proportional to 5,273.70, 7,277.48 and 2,883.63

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Solution

The fourth proportional to 5,273.70, 7,277.48 and 2,883.63 is: 3,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.70 : 7,277.48 = 2,883.63 : x
  2. Step 2: Convert to fraction form
    5,273.70/7,277.48 = 2,883.63/x
  3. Step 3: Cross multiply
    5,273.70x = 7,277.48 × 2,883.63
  4. Step 4: Simplify right side
    5,273.70x = 20,985,545.23
  5. Step 5: Solve for x
    x = 20,985,545.23/5,273.70
  6. Step 6: Final answer
    x = 3,979.28

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1.5x scale

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.