Home / 2,777.77-3,824.58-2,357.25

Finding the Fourth Proportional to 2,777.77, 3,824.58 and 2,357.25

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Solution

The fourth proportional to 2,777.77, 3,824.58 and 2,357.25 is: 3,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.77 : 3,824.58 = 2,357.25 : x
  2. Step 2: Convert to fraction form
    2,777.77/3,824.58 = 2,357.25/x
  3. Step 3: Cross multiply
    2,777.77x = 3,824.58 × 2,357.25
  4. Step 4: Simplify right side
    2,777.77x = 9,015,491.21
  5. Step 5: Solve for x
    x = 9,015,491.21/2,777.77
  6. Step 6: Final answer
    x = 3,245.59

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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.