Home / 6,119.81-8,445.16-3,468.07

Finding the Fourth Proportional to 6,119.81, 8,445.16 and 3,468.07

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Solution

The fourth proportional to 6,119.81, 8,445.16 and 3,468.07 is: 4,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.81 : 8,445.16 = 3,468.07 : x
  2. Step 2: Convert to fraction form
    6,119.81/8,445.16 = 3,468.07/x
  3. Step 3: Cross multiply
    6,119.81x = 8,445.16 × 3,468.07
  4. Step 4: Simplify right side
    6,119.81x = 29,288,376.26
  5. Step 5: Solve for x
    x = 29,288,376.26/6,119.81
  6. Step 6: Final answer
    x = 4,785.83

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Half scale
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Double 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.