Home / 6,293.20-8,685.10-3,775.41

Finding the Fourth Proportional to 6,293.20, 8,685.10 and 3,775.41

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Solution

The fourth proportional to 6,293.20, 8,685.10 and 3,775.41 is: 5,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.20 : 8,685.10 = 3,775.41 : x
  2. Step 2: Convert to fraction form
    6,293.20/8,685.10 = 3,775.41/x
  3. Step 3: Cross multiply
    6,293.20x = 8,685.10 × 3,775.41
  4. Step 4: Simplify right side
    6,293.20x = 32,789,813.39
  5. Step 5: Solve for x
    x = 32,789,813.39/6,293.20
  6. Step 6: Final answer
    x = 5,210.36

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Half scale
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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.