Home / 5,492.90-7,572.30-3,918.26

Finding the Fourth Proportional to 5,492.90, 7,572.30 and 3,918.26

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Solution

The fourth proportional to 5,492.90, 7,572.30 and 3,918.26 is: 5,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.90 : 7,572.30 = 3,918.26 : x
  2. Step 2: Convert to fraction form
    5,492.90/7,572.30 = 3,918.26/x
  3. Step 3: Cross multiply
    5,492.90x = 7,572.30 × 3,918.26
  4. Step 4: Simplify right side
    5,492.90x = 29,670,202.34
  5. Step 5: Solve for x
    x = 29,670,202.34/5,492.90
  6. Step 6: Final answer
    x = 5,401.56

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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.