Home / 5,917.74-8,166.87-3,824.70

Finding the Fourth Proportional to 5,917.74, 8,166.87 and 3,824.70

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Solution

The fourth proportional to 5,917.74, 8,166.87 and 3,824.70 is: 5,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.74 : 8,166.87 = 3,824.70 : x
  2. Step 2: Convert to fraction form
    5,917.74/8,166.87 = 3,824.70/x
  3. Step 3: Cross multiply
    5,917.74x = 8,166.87 × 3,824.70
  4. Step 4: Simplify right side
    5,917.74x = 31,235,827.69
  5. Step 5: Solve for x
    x = 31,235,827.69/5,917.74
  6. Step 6: Final answer
    x = 5,278.34

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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.