Home / 2,777.68-4,166.52-1,133.86

Finding the Fourth Proportional to 2,777.68, 4,166.52 and 1,133.86

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Solution

The fourth proportional to 2,777.68, 4,166.52 and 1,133.86 is: 1,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.68 : 4,166.52 = 1,133.86 : x
  2. Step 2: Convert to fraction form
    2,777.68/4,166.52 = 1,133.86/x
  3. Step 3: Cross multiply
    2,777.68x = 4,166.52 × 1,133.86
  4. Step 4: Simplify right side
    2,777.68x = 4,724,250.37
  5. Step 5: Solve for x
    x = 4,724,250.37/2,777.68
  6. Step 6: Final answer
    x = 1,700.79

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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.