Home / 1,826.02-2,519.44-1,117.61

Finding the Fourth Proportional to 1,826.02, 2,519.44 and 1,117.61

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Solution

The fourth proportional to 1,826.02, 2,519.44 and 1,117.61 is: 1,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.02 : 2,519.44 = 1,117.61 : x
  2. Step 2: Convert to fraction form
    1,826.02/2,519.44 = 1,117.61/x
  3. Step 3: Cross multiply
    1,826.02x = 2,519.44 × 1,117.61
  4. Step 4: Simplify right side
    1,826.02x = 2,815,745.40
  5. Step 5: Solve for x
    x = 2,815,745.40/1,826.02
  6. Step 6: Final answer
    x = 1,542.01

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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.