Home / 1,856.11-2,561.27-1,016.80

Finding the Fourth Proportional to 1,856.11, 2,561.27 and 1,016.80

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Solution

The fourth proportional to 1,856.11, 2,561.27 and 1,016.80 is: 1,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.11 : 2,561.27 = 1,016.80 : x
  2. Step 2: Convert to fraction form
    1,856.11/2,561.27 = 1,016.80/x
  3. Step 3: Cross multiply
    1,856.11x = 2,561.27 × 1,016.80
  4. Step 4: Simplify right side
    1,856.11x = 2,604,299.34
  5. Step 5: Solve for x
    x = 2,604,299.34/1,856.11
  6. Step 6: Final answer
    x = 1,403.10

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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.