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Finding the Fourth Proportional to 5,373, 8,063.15 and 1,910.25

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Solution

The fourth proportional to 5,373, 8,063.15 and 1,910.25 is: 2,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373 : 8,063.15 = 1,910.25 : x
  2. Step 2: Convert to fraction form
    5,373/8,063.15 = 1,910.25/x
  3. Step 3: Cross multiply
    5,373x = 8,063.15 × 1,910.25
  4. Step 4: Simplify right side
    5,373x = 15,402,622.74
  5. Step 5: Solve for x
    x = 15,402,622.74/5,373
  6. Step 6: Final answer
    x = 2,866.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.