Home / 2,917.11-4,025.66-1,590.84

Finding the Fourth Proportional to 2,917.11, 4,025.66 and 1,590.84

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Solution

The fourth proportional to 2,917.11, 4,025.66 and 1,590.84 is: 2,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.11 : 4,025.66 = 1,590.84 : x
  2. Step 2: Convert to fraction form
    2,917.11/4,025.66 = 1,590.84/x
  3. Step 3: Cross multiply
    2,917.11x = 4,025.66 × 1,590.84
  4. Step 4: Simplify right side
    2,917.11x = 6,404,180.95
  5. Step 5: Solve for x
    x = 6,404,180.95/2,917.11
  6. Step 6: Final answer
    x = 2,195.39

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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.