Home / 2,836.19-3,913.34-1,656.73

Finding the Fourth Proportional to 2,836.19, 3,913.34 and 1,656.73

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Solution

The fourth proportional to 2,836.19, 3,913.34 and 1,656.73 is: 2,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.19 : 3,913.34 = 1,656.73 : x
  2. Step 2: Convert to fraction form
    2,836.19/3,913.34 = 1,656.73/x
  3. Step 3: Cross multiply
    2,836.19x = 3,913.34 × 1,656.73
  4. Step 4: Simplify right side
    2,836.19x = 6,483,347.78
  5. Step 5: Solve for x
    x = 6,483,347.78/2,836.19
  6. Step 6: Final answer
    x = 2,285.94

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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.