Home / 2,045.11-2,822.15-1,160.90

Finding the Fourth Proportional to 2,045.11, 2,822.15 and 1,160.90

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Solution

The fourth proportional to 2,045.11, 2,822.15 and 1,160.90 is: 1,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.11 : 2,822.15 = 1,160.90 : x
  2. Step 2: Convert to fraction form
    2,045.11/2,822.15 = 1,160.90/x
  3. Step 3: Cross multiply
    2,045.11x = 2,822.15 × 1,160.90
  4. Step 4: Simplify right side
    2,045.11x = 3,276,214.02
  5. Step 5: Solve for x
    x = 3,276,214.02/2,045.11
  6. Step 6: Final answer
    x = 1,601.97

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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.