Home / 4,188.48-5,778.48-2,696.19

Finding the Fourth Proportional to 4,188.48, 5,778.48 and 2,696.19

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Solution

The fourth proportional to 4,188.48, 5,778.48 and 2,696.19 is: 3,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.48 : 5,778.48 = 2,696.19 : x
  2. Step 2: Convert to fraction form
    4,188.48/5,778.48 = 2,696.19/x
  3. Step 3: Cross multiply
    4,188.48x = 5,778.48 × 2,696.19
  4. Step 4: Simplify right side
    4,188.48x = 15,579,879.99
  5. Step 5: Solve for x
    x = 15,579,879.99/4,188.48
  6. Step 6: Final answer
    x = 3,719.70

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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.