Home / 4,959.21-7,436.79-2,184.96

Finding the Fourth Proportional to 4,959.21, 7,436.79 and 2,184.96

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Solution

The fourth proportional to 4,959.21, 7,436.79 and 2,184.96 is: 3,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.21 : 7,436.79 = 2,184.96 : x
  2. Step 2: Convert to fraction form
    4,959.21/7,436.79 = 2,184.96/x
  3. Step 3: Cross multiply
    4,959.21x = 7,436.79 × 2,184.96
  4. Step 4: Simplify right side
    4,959.21x = 16,249,088.68
  5. Step 5: Solve for x
    x = 16,249,088.68/4,959.21
  6. Step 6: Final answer
    x = 3,276.55

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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.