Home / 6,920.17-9,550.07-3,776.53

Finding the Fourth Proportional to 6,920.17, 9,550.07 and 3,776.53

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Solution

The fourth proportional to 6,920.17, 9,550.07 and 3,776.53 is: 5,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.17 : 9,550.07 = 3,776.53 : x
  2. Step 2: Convert to fraction form
    6,920.17/9,550.07 = 3,776.53/x
  3. Step 3: Cross multiply
    6,920.17x = 9,550.07 × 3,776.53
  4. Step 4: Simplify right side
    6,920.17x = 36,066,106.97
  5. Step 5: Solve for x
    x = 36,066,106.97/6,920.17
  6. Step 6: Final answer
    x = 5,211.74

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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.