Home / 5,752.07-8,640.39-4,119.11

Finding the Fourth Proportional to 5,752.07, 8,640.39 and 4,119.11

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Solution

The fourth proportional to 5,752.07, 8,640.39 and 4,119.11 is: 6,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.07 : 8,640.39 = 4,119.11 : x
  2. Step 2: Convert to fraction form
    5,752.07/8,640.39 = 4,119.11/x
  3. Step 3: Cross multiply
    5,752.07x = 8,640.39 × 4,119.11
  4. Step 4: Simplify right side
    5,752.07x = 35,590,716.85
  5. Step 5: Solve for x
    x = 35,590,716.85/5,752.07
  6. Step 6: Final answer
    x = 6,187.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.