Home / 2,766.48-3,818.52-1,647.06

Finding the Fourth Proportional to 2,766.48, 3,818.52 and 1,647.06

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Solution

The fourth proportional to 2,766.48, 3,818.52 and 1,647.06 is: 2,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.48 : 3,818.52 = 1,647.06 : x
  2. Step 2: Convert to fraction form
    2,766.48/3,818.52 = 1,647.06/x
  3. Step 3: Cross multiply
    2,766.48x = 3,818.52 × 1,647.06
  4. Step 4: Simplify right side
    2,766.48x = 6,289,331.55
  5. Step 5: Solve for x
    x = 6,289,331.55/2,766.48
  6. Step 6: Final answer
    x = 2,273.41

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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.