Home / 1,826.20-2,739.75-527.77

Finding the Fourth Proportional to 1,826.20, 2,739.75 and 527.77

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Solution

The fourth proportional to 1,826.20, 2,739.75 and 527.77 is: 791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.20 : 2,739.75 = 527.77 : x
  2. Step 2: Convert to fraction form
    1,826.20/2,739.75 = 527.77/x
  3. Step 3: Cross multiply
    1,826.20x = 2,739.75 × 527.77
  4. Step 4: Simplify right side
    1,826.20x = 1,445,957.86
  5. Step 5: Solve for x
    x = 1,445,957.86/1,826.20
  6. Step 6: Final answer
    x = 791.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.