Home / 5,072.77-7,000.23-2,834.62

Finding the Fourth Proportional to 5,072.77, 7,000.23 and 2,834.62

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Solution

The fourth proportional to 5,072.77, 7,000.23 and 2,834.62 is: 3,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.77 : 7,000.23 = 2,834.62 : x
  2. Step 2: Convert to fraction form
    5,072.77/7,000.23 = 2,834.62/x
  3. Step 3: Cross multiply
    5,072.77x = 7,000.23 × 2,834.62
  4. Step 4: Simplify right side
    5,072.77x = 19,842,991.96
  5. Step 5: Solve for x
    x = 19,842,991.96/5,072.77
  6. Step 6: Final answer
    x = 3,911.67

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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.