Home / 6,154.86-8,493.78-3,360.36

Finding the Fourth Proportional to 6,154.86, 8,493.78 and 3,360.36

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Solution

The fourth proportional to 6,154.86, 8,493.78 and 3,360.36 is: 4,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.86 : 8,493.78 = 3,360.36 : x
  2. Step 2: Convert to fraction form
    6,154.86/8,493.78 = 3,360.36/x
  3. Step 3: Cross multiply
    6,154.86x = 8,493.78 × 3,360.36
  4. Step 4: Simplify right side
    6,154.86x = 28,542,158.56
  5. Step 5: Solve for x
    x = 28,542,158.56/6,154.86
  6. Step 6: Final answer
    x = 4,637.34

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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.