Home / 2,026.88-2,798.96-1,917.76

Finding the Fourth Proportional to 2,026.88, 2,798.96 and 1,917.76

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Solution

The fourth proportional to 2,026.88, 2,798.96 and 1,917.76 is: 2,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.88 : 2,798.96 = 1,917.76 : x
  2. Step 2: Convert to fraction form
    2,026.88/2,798.96 = 1,917.76/x
  3. Step 3: Cross multiply
    2,026.88x = 2,798.96 × 1,917.76
  4. Step 4: Simplify right side
    2,026.88x = 5,367,733.53
  5. Step 5: Solve for x
    x = 5,367,733.53/2,026.88
  6. Step 6: Final answer
    x = 2,648.27

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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.