Home / 2,837.63-3,912.91-1,658.48

Finding the Fourth Proportional to 2,837.63, 3,912.91 and 1,658.48

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Solution

The fourth proportional to 2,837.63, 3,912.91 and 1,658.48 is: 2,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.63 : 3,912.91 = 1,658.48 : x
  2. Step 2: Convert to fraction form
    2,837.63/3,912.91 = 1,658.48/x
  3. Step 3: Cross multiply
    2,837.63x = 3,912.91 × 1,658.48
  4. Step 4: Simplify right side
    2,837.63x = 6,489,459.27
  5. Step 5: Solve for x
    x = 6,489,459.27/2,837.63
  6. Step 6: Final answer
    x = 2,286.93

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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.