Home / 3,540.27-4,889.11-2,916.98

Finding the Fourth Proportional to 3,540.27, 4,889.11 and 2,916.98

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Solution

The fourth proportional to 3,540.27, 4,889.11 and 2,916.98 is: 4,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.27 : 4,889.11 = 2,916.98 : x
  2. Step 2: Convert to fraction form
    3,540.27/4,889.11 = 2,916.98/x
  3. Step 3: Cross multiply
    3,540.27x = 4,889.11 × 2,916.98
  4. Step 4: Simplify right side
    3,540.27x = 14,261,411.64
  5. Step 5: Solve for x
    x = 14,261,411.64/3,540.27
  6. Step 6: Final answer
    x = 4,028.34

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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.