Home / 4,919.45-6,788.64-2,681.27

Finding the Fourth Proportional to 4,919.45, 6,788.64 and 2,681.27

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Solution

The fourth proportional to 4,919.45, 6,788.64 and 2,681.27 is: 3,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.45 : 6,788.64 = 2,681.27 : x
  2. Step 2: Convert to fraction form
    4,919.45/6,788.64 = 2,681.27/x
  3. Step 3: Cross multiply
    4,919.45x = 6,788.64 × 2,681.27
  4. Step 4: Simplify right side
    4,919.45x = 18,202,193.74
  5. Step 5: Solve for x
    x = 18,202,193.74/4,919.45
  6. Step 6: Final answer
    x = 3,700.05

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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.