Home / 5,513.02-7,605.45-3,838.54

Finding the Fourth Proportional to 5,513.02, 7,605.45 and 3,838.54

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Solution

The fourth proportional to 5,513.02, 7,605.45 and 3,838.54 is: 5,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.02 : 7,605.45 = 3,838.54 : x
  2. Step 2: Convert to fraction form
    5,513.02/7,605.45 = 3,838.54/x
  3. Step 3: Cross multiply
    5,513.02x = 7,605.45 × 3,838.54
  4. Step 4: Simplify right side
    5,513.02x = 29,193,824.04
  5. Step 5: Solve for x
    x = 29,193,824.04/5,513.02
  6. Step 6: Final answer
    x = 5,295.43

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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.