Home / 2,916.38-4,025.37-1,658.17

Finding the Fourth Proportional to 2,916.38, 4,025.37 and 1,658.17

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Solution

The fourth proportional to 2,916.38, 4,025.37 and 1,658.17 is: 2,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.38 : 4,025.37 = 1,658.17 : x
  2. Step 2: Convert to fraction form
    2,916.38/4,025.37 = 1,658.17/x
  3. Step 3: Cross multiply
    2,916.38x = 4,025.37 × 1,658.17
  4. Step 4: Simplify right side
    2,916.38x = 6,674,754.36
  5. Step 5: Solve for x
    x = 6,674,754.36/2,916.38
  6. Step 6: Final answer
    x = 2,288.71

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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.