Home / 5,511.93-8,225.38-4,920.60

Finding the Fourth Proportional to 5,511.93, 8,225.38 and 4,920.60

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Solution

The fourth proportional to 5,511.93, 8,225.38 and 4,920.60 is: 7,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.93 : 8,225.38 = 4,920.60 : x
  2. Step 2: Convert to fraction form
    5,511.93/8,225.38 = 4,920.60/x
  3. Step 3: Cross multiply
    5,511.93x = 8,225.38 × 4,920.60
  4. Step 4: Simplify right side
    5,511.93x = 40,473,841.82
  5. Step 5: Solve for x
    x = 40,473,841.82/5,511.93
  6. Step 6: Final answer
    x = 7,342.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.