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Finding the Fourth Proportional to 4,361.78, 6,019.35 and 2,498.78

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Solution

The fourth proportional to 4,361.78, 6,019.35 and 2,498.78 is: 3,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.78 : 6,019.35 = 2,498.78 : x
  2. Step 2: Convert to fraction form
    4,361.78/6,019.35 = 2,498.78/x
  3. Step 3: Cross multiply
    4,361.78x = 6,019.35 × 2,498.78
  4. Step 4: Simplify right side
    4,361.78x = 15,041,031.39
  5. Step 5: Solve for x
    x = 15,041,031.39/4,361.78
  6. Step 6: Final answer
    x = 3,448.37

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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.