Home / 2,309.18-3,467.55-1,946.30

Finding the Fourth Proportional to 2,309.18, 3,467.55 and 1,946.30

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Solution

The fourth proportional to 2,309.18, 3,467.55 and 1,946.30 is: 2,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.18 : 3,467.55 = 1,946.30 : x
  2. Step 2: Convert to fraction form
    2,309.18/3,467.55 = 1,946.30/x
  3. Step 3: Cross multiply
    2,309.18x = 3,467.55 × 1,946.30
  4. Step 4: Simplify right side
    2,309.18x = 6,748,892.57
  5. Step 5: Solve for x
    x = 6,748,892.57/2,309.18
  6. Step 6: Final answer
    x = 2,922.64

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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.