Home / 5,007.20-6,909.66-2,768.93

Finding the Fourth Proportional to 5,007.20, 6,909.66 and 2,768.93

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Solution

The fourth proportional to 5,007.20, 6,909.66 and 2,768.93 is: 3,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.20 : 6,909.66 = 2,768.93 : x
  2. Step 2: Convert to fraction form
    5,007.20/6,909.66 = 2,768.93/x
  3. Step 3: Cross multiply
    5,007.20x = 6,909.66 × 2,768.93
  4. Step 4: Simplify right side
    5,007.20x = 19,132,356.23
  5. Step 5: Solve for x
    x = 19,132,356.23/5,007.20
  6. Step 6: Final answer
    x = 3,820.97

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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.