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Finding the Fourth Proportional to 5,334.90, 7,362.42 and 2,977.14

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Solution

The fourth proportional to 5,334.90, 7,362.42 and 2,977.14 is: 4,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.90 : 7,362.42 = 2,977.14 : x
  2. Step 2: Convert to fraction form
    5,334.90/7,362.42 = 2,977.14/x
  3. Step 3: Cross multiply
    5,334.90x = 7,362.42 × 2,977.14
  4. Step 4: Simplify right side
    5,334.90x = 21,918,955.08
  5. Step 5: Solve for x
    x = 21,918,955.08/5,334.90
  6. Step 6: Final answer
    x = 4,108.60

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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.