Home / 2,777.60-3,833.01-1,518.66

Finding the Fourth Proportional to 2,777.60, 3,833.01 and 1,518.66

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Solution

The fourth proportional to 2,777.60, 3,833.01 and 1,518.66 is: 2,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.60 : 3,833.01 = 1,518.66 : x
  2. Step 2: Convert to fraction form
    2,777.60/3,833.01 = 1,518.66/x
  3. Step 3: Cross multiply
    2,777.60x = 3,833.01 × 1,518.66
  4. Step 4: Simplify right side
    2,777.60x = 5,821,038.97
  5. Step 5: Solve for x
    x = 5,821,038.97/2,777.60
  6. Step 6: Final answer
    x = 2,095.71

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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.