Home / 7,331.59-10,117.61-3,974.39

Finding the Fourth Proportional to 7,331.59, 10,117.61 and 3,974.39

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Solution

The fourth proportional to 7,331.59, 10,117.61 and 3,974.39 is: 5,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.59 : 10,117.61 = 3,974.39 : x
  2. Step 2: Convert to fraction form
    7,331.59/10,117.61 = 3,974.39/x
  3. Step 3: Cross multiply
    7,331.59x = 10,117.61 × 3,974.39
  4. Step 4: Simplify right side
    7,331.59x = 40,211,328.01
  5. Step 5: Solve for x
    x = 40,211,328.01/7,331.59
  6. Step 6: Final answer
    x = 5,484.67

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.