Home / 6,078.36-8,388.10-3,560.94

Finding the Fourth Proportional to 6,078.36, 8,388.10 and 3,560.94

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Solution

The fourth proportional to 6,078.36, 8,388.10 and 3,560.94 is: 4,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.36 : 8,388.10 = 3,560.94 : x
  2. Step 2: Convert to fraction form
    6,078.36/8,388.10 = 3,560.94/x
  3. Step 3: Cross multiply
    6,078.36x = 8,388.10 × 3,560.94
  4. Step 4: Simplify right side
    6,078.36x = 29,869,520.81
  5. Step 5: Solve for x
    x = 29,869,520.81/6,078.36
  6. Step 6: Final answer
    x = 4,914.08

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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.