Home / 5,351.69-7,385.49-2,993.91

Finding the Fourth Proportional to 5,351.69, 7,385.49 and 2,993.91

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Solution

The fourth proportional to 5,351.69, 7,385.49 and 2,993.91 is: 4,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.69 : 7,385.49 = 2,993.91 : x
  2. Step 2: Convert to fraction form
    5,351.69/7,385.49 = 2,993.91/x
  3. Step 3: Cross multiply
    5,351.69x = 7,385.49 × 2,993.91
  4. Step 4: Simplify right side
    5,351.69x = 22,111,492.37
  5. Step 5: Solve for x
    x = 22,111,492.37/5,351.69
  6. Step 6: Final answer
    x = 4,131.69

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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.