Home / 5,074.39-7,604.27-2,878.48

Finding the Fourth Proportional to 5,074.39, 7,604.27 and 2,878.48

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Solution

The fourth proportional to 5,074.39, 7,604.27 and 2,878.48 is: 4,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.39 : 7,604.27 = 2,878.48 : x
  2. Step 2: Convert to fraction form
    5,074.39/7,604.27 = 2,878.48/x
  3. Step 3: Cross multiply
    5,074.39x = 7,604.27 × 2,878.48
  4. Step 4: Simplify right side
    5,074.39x = 21,888,739.11
  5. Step 5: Solve for x
    x = 21,888,739.11/5,074.39
  6. Step 6: Final answer
    x = 4,313.57

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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.