Home / 2,209.08-3,310.20-1,516.08

Finding the Fourth Proportional to 2,209.08, 3,310.20 and 1,516.08

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Solution

The fourth proportional to 2,209.08, 3,310.20 and 1,516.08 is: 2,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.08 : 3,310.20 = 1,516.08 : x
  2. Step 2: Convert to fraction form
    2,209.08/3,310.20 = 1,516.08/x
  3. Step 3: Cross multiply
    2,209.08x = 3,310.20 × 1,516.08
  4. Step 4: Simplify right side
    2,209.08x = 5,018,528.02
  5. Step 5: Solve for x
    x = 5,018,528.02/2,209.08
  6. Step 6: Final answer
    x = 2,271.77

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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.