Home / 5,234.02-7,223.40-2,876.62

Finding the Fourth Proportional to 5,234.02, 7,223.40 and 2,876.62

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Solution

The fourth proportional to 5,234.02, 7,223.40 and 2,876.62 is: 3,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.02 : 7,223.40 = 2,876.62 : x
  2. Step 2: Convert to fraction form
    5,234.02/7,223.40 = 2,876.62/x
  3. Step 3: Cross multiply
    5,234.02x = 7,223.40 × 2,876.62
  4. Step 4: Simplify right side
    5,234.02x = 20,778,976.91
  5. Step 5: Solve for x
    x = 20,778,976.91/5,234.02
  6. Step 6: Final answer
    x = 3,969.98

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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.