Home / 5,274.05-7,277.95-2,883.98

Finding the Fourth Proportional to 5,274.05, 7,277.95 and 2,883.98

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Solution

The fourth proportional to 5,274.05, 7,277.95 and 2,883.98 is: 3,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.05 : 7,277.95 = 2,883.98 : x
  2. Step 2: Convert to fraction form
    5,274.05/7,277.95 = 2,883.98/x
  3. Step 3: Cross multiply
    5,274.05x = 7,277.95 × 2,883.98
  4. Step 4: Simplify right side
    5,274.05x = 20,989,462.24
  5. Step 5: Solve for x
    x = 20,989,462.24/5,274.05
  6. Step 6: Final answer
    x = 3,979.76

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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.