Home / 3,924.50-5,415.77-2,246.45

Finding the Fourth Proportional to 3,924.50, 5,415.77 and 2,246.45

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Solution

The fourth proportional to 3,924.50, 5,415.77 and 2,246.45 is: 3,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.50 : 5,415.77 = 2,246.45 : x
  2. Step 2: Convert to fraction form
    3,924.50/5,415.77 = 2,246.45/x
  3. Step 3: Cross multiply
    3,924.50x = 5,415.77 × 2,246.45
  4. Step 4: Simplify right side
    3,924.50x = 12,166,235.05
  5. Step 5: Solve for x
    x = 12,166,235.05/3,924.50
  6. Step 6: Final answer
    x = 3,100.08

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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.