Home / 5,015.39-6,921.34-2,746.83

Finding the Fourth Proportional to 5,015.39, 6,921.34 and 2,746.83

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Solution

The fourth proportional to 5,015.39, 6,921.34 and 2,746.83 is: 3,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.39 : 6,921.34 = 2,746.83 : x
  2. Step 2: Convert to fraction form
    5,015.39/6,921.34 = 2,746.83/x
  3. Step 3: Cross multiply
    5,015.39x = 6,921.34 × 2,746.83
  4. Step 4: Simplify right side
    5,015.39x = 19,011,709.75
  5. Step 5: Solve for x
    x = 19,011,709.75/5,015.39
  6. Step 6: Final answer
    x = 3,790.68

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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.