Home / 2,856.30-3,941.19-1,614.30

Finding the Fourth Proportional to 2,856.30, 3,941.19 and 1,614.30

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Solution

The fourth proportional to 2,856.30, 3,941.19 and 1,614.30 is: 2,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.30 : 3,941.19 = 1,614.30 : x
  2. Step 2: Convert to fraction form
    2,856.30/3,941.19 = 1,614.30/x
  3. Step 3: Cross multiply
    2,856.30x = 3,941.19 × 1,614.30
  4. Step 4: Simplify right side
    2,856.30x = 6,362,263.02
  5. Step 5: Solve for x
    x = 6,362,263.02/2,856.30
  6. Step 6: Final answer
    x = 2,227.45

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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.