Home / 6,920.93-9,550.88-3,777.12

Finding the Fourth Proportional to 6,920.93, 9,550.88 and 3,777.12

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Solution

The fourth proportional to 6,920.93, 9,550.88 and 3,777.12 is: 5,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.93 : 9,550.88 = 3,777.12 : x
  2. Step 2: Convert to fraction form
    6,920.93/9,550.88 = 3,777.12/x
  3. Step 3: Cross multiply
    6,920.93x = 9,550.88 × 3,777.12
  4. Step 4: Simplify right side
    6,920.93x = 36,074,829.31
  5. Step 5: Solve for x
    x = 36,074,829.31/6,920.93
  6. Step 6: Final answer
    x = 5,212.42

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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.