Home / 5,917.69-8,168.75-3,559.38

Finding the Fourth Proportional to 5,917.69, 8,168.75 and 3,559.38

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Solution

The fourth proportional to 5,917.69, 8,168.75 and 3,559.38 is: 4,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.69 : 8,168.75 = 3,559.38 : x
  2. Step 2: Convert to fraction form
    5,917.69/8,168.75 = 3,559.38/x
  3. Step 3: Cross multiply
    5,917.69x = 8,168.75 × 3,559.38
  4. Step 4: Simplify right side
    5,917.69x = 29,075,626.73
  5. Step 5: Solve for x
    x = 29,075,626.73/5,917.69
  6. Step 6: Final answer
    x = 4,913.34

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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.