Home / 5,919.63-8,168.56-3,529.65

Finding the Fourth Proportional to 5,919.63, 8,168.56 and 3,529.65

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Solution

The fourth proportional to 5,919.63, 8,168.56 and 3,529.65 is: 4,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.63 : 8,168.56 = 3,529.65 : x
  2. Step 2: Convert to fraction form
    5,919.63/8,168.56 = 3,529.65/x
  3. Step 3: Cross multiply
    5,919.63x = 8,168.56 × 3,529.65
  4. Step 4: Simplify right side
    5,919.63x = 28,832,161.60
  5. Step 5: Solve for x
    x = 28,832,161.60/5,919.63
  6. Step 6: Final answer
    x = 4,870.60

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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.