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Finding the Fourth Proportional to 3,592.72, 4,958 and 2,020.76

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Solution

The fourth proportional to 3,592.72, 4,958 and 2,020.76 is: 2,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.72 : 4,958 = 2,020.76 : x
  2. Step 2: Convert to fraction form
    3,592.72/4,958 = 2,020.76/x
  3. Step 3: Cross multiply
    3,592.72x = 4,958 × 2,020.76
  4. Step 4: Simplify right side
    3,592.72x = 10,018,928.08
  5. Step 5: Solve for x
    x = 10,018,928.08/3,592.72
  6. Step 6: Final answer
    x = 2,788.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.