Home / 5,433.78-7,492.26-5,040.12

Finding the Fourth Proportional to 5,433.78, 7,492.26 and 5,040.12

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Solution

The fourth proportional to 5,433.78, 7,492.26 and 5,040.12 is: 6,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.78 : 7,492.26 = 5,040.12 : x
  2. Step 2: Convert to fraction form
    5,433.78/7,492.26 = 5,040.12/x
  3. Step 3: Cross multiply
    5,433.78x = 7,492.26 × 5,040.12
  4. Step 4: Simplify right side
    5,433.78x = 37,761,889.47
  5. Step 5: Solve for x
    x = 37,761,889.47/5,433.78
  6. Step 6: Final answer
    x = 6,949.47

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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.