Home / 1,856.26-2,560.40-1,192.06

Finding the Fourth Proportional to 1,856.26, 2,560.40 and 1,192.06

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Solution

The fourth proportional to 1,856.26, 2,560.40 and 1,192.06 is: 1,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.26 : 2,560.40 = 1,192.06 : x
  2. Step 2: Convert to fraction form
    1,856.26/2,560.40 = 1,192.06/x
  3. Step 3: Cross multiply
    1,856.26x = 2,560.40 × 1,192.06
  4. Step 4: Simplify right side
    1,856.26x = 3,052,150.42
  5. Step 5: Solve for x
    x = 3,052,150.42/1,856.26
  6. Step 6: Final answer
    x = 1,644.25

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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.