Home / 5,059.75-7,587.81-2,138.29

Finding the Fourth Proportional to 5,059.75, 7,587.81 and 2,138.29

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Solution

The fourth proportional to 5,059.75, 7,587.81 and 2,138.29 is: 3,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.75 : 7,587.81 = 2,138.29 : x
  2. Step 2: Convert to fraction form
    5,059.75/7,587.81 = 2,138.29/x
  3. Step 3: Cross multiply
    5,059.75x = 7,587.81 × 2,138.29
  4. Step 4: Simplify right side
    5,059.75x = 16,224,938.24
  5. Step 5: Solve for x
    x = 16,224,938.24/5,059.75
  6. Step 6: Final answer
    x = 3,206.67

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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.