Home / 3,095.20-4,274.12-2,104.16

Finding the Fourth Proportional to 3,095.20, 4,274.12 and 2,104.16

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Solution

The fourth proportional to 3,095.20, 4,274.12 and 2,104.16 is: 2,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.20 : 4,274.12 = 2,104.16 : x
  2. Step 2: Convert to fraction form
    3,095.20/4,274.12 = 2,104.16/x
  3. Step 3: Cross multiply
    3,095.20x = 4,274.12 × 2,104.16
  4. Step 4: Simplify right side
    3,095.20x = 8,993,421.82
  5. Step 5: Solve for x
    x = 8,993,421.82/3,095.20
  6. Step 6: Final answer
    x = 2,905.61

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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.