Home / 5,003.19-6,904.78-2,879.37

Finding the Fourth Proportional to 5,003.19, 6,904.78 and 2,879.37

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Solution

The fourth proportional to 5,003.19, 6,904.78 and 2,879.37 is: 3,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.19 : 6,904.78 = 2,879.37 : x
  2. Step 2: Convert to fraction form
    5,003.19/6,904.78 = 2,879.37/x
  3. Step 3: Cross multiply
    5,003.19x = 6,904.78 × 2,879.37
  4. Step 4: Simplify right side
    5,003.19x = 19,881,416.39
  5. Step 5: Solve for x
    x = 19,881,416.39/5,003.19
  6. Step 6: Final answer
    x = 3,973.75

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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.