Home / 6,071.48-8,378.56-3,418.92

Finding the Fourth Proportional to 6,071.48, 8,378.56 and 3,418.92

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Solution

The fourth proportional to 6,071.48, 8,378.56 and 3,418.92 is: 4,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.48 : 8,378.56 = 3,418.92 : x
  2. Step 2: Convert to fraction form
    6,071.48/8,378.56 = 3,418.92/x
  3. Step 3: Cross multiply
    6,071.48x = 8,378.56 × 3,418.92
  4. Step 4: Simplify right side
    6,071.48x = 28,645,626.36
  5. Step 5: Solve for x
    x = 28,645,626.36/6,071.48
  6. Step 6: Final answer
    x = 4,718.06

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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.