Home / 6,103.49-8,424.87-4,340.21

Finding the Fourth Proportional to 6,103.49, 8,424.87 and 4,340.21

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Solution

The fourth proportional to 6,103.49, 8,424.87 and 4,340.21 is: 5,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.49 : 8,424.87 = 4,340.21 : x
  2. Step 2: Convert to fraction form
    6,103.49/8,424.87 = 4,340.21/x
  3. Step 3: Cross multiply
    6,103.49x = 8,424.87 × 4,340.21
  4. Step 4: Simplify right side
    6,103.49x = 36,565,705.02
  5. Step 5: Solve for x
    x = 36,565,705.02/6,103.49
  6. Step 6: Final answer
    x = 5,990.95

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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.