Home / 5,072.29-7,000.56-3,083.47

Finding the Fourth Proportional to 5,072.29, 7,000.56 and 3,083.47

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Solution

The fourth proportional to 5,072.29, 7,000.56 and 3,083.47 is: 4,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.29 : 7,000.56 = 3,083.47 : x
  2. Step 2: Convert to fraction form
    5,072.29/7,000.56 = 3,083.47/x
  3. Step 3: Cross multiply
    5,072.29x = 7,000.56 × 3,083.47
  4. Step 4: Simplify right side
    5,072.29x = 21,585,999.24
  5. Step 5: Solve for x
    x = 21,585,999.24/5,072.29
  6. Step 6: Final answer
    x = 4,255.67

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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.