Home / 4,168.80-6,255.72-1,571.58

Finding the Fourth Proportional to 4,168.80, 6,255.72 and 1,571.58

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Solution

The fourth proportional to 4,168.80, 6,255.72 and 1,571.58 is: 2,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.80 : 6,255.72 = 1,571.58 : x
  2. Step 2: Convert to fraction form
    4,168.80/6,255.72 = 1,571.58/x
  3. Step 3: Cross multiply
    4,168.80x = 6,255.72 × 1,571.58
  4. Step 4: Simplify right side
    4,168.80x = 9,831,364.44
  5. Step 5: Solve for x
    x = 9,831,364.44/4,168.80
  6. Step 6: Final answer
    x = 2,358.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.