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Finding the Fourth Proportional to 2,856.04, 3,941.30 and 1,614.04

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Solution

The fourth proportional to 2,856.04, 3,941.30 and 1,614.04 is: 2,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.04 : 3,941.30 = 1,614.04 : x
  2. Step 2: Convert to fraction form
    2,856.04/3,941.30 = 1,614.04/x
  3. Step 3: Cross multiply
    2,856.04x = 3,941.30 × 1,614.04
  4. Step 4: Simplify right side
    2,856.04x = 6,361,415.85
  5. Step 5: Solve for x
    x = 6,361,415.85/2,856.04
  6. Step 6: Final answer
    x = 2,227.36

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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.