Home / 5,376.22-7,419.30-3,018.34

Finding the Fourth Proportional to 5,376.22, 7,419.30 and 3,018.34

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Solution

The fourth proportional to 5,376.22, 7,419.30 and 3,018.34 is: 4,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.22 : 7,419.30 = 3,018.34 : x
  2. Step 2: Convert to fraction form
    5,376.22/7,419.30 = 3,018.34/x
  3. Step 3: Cross multiply
    5,376.22x = 7,419.30 × 3,018.34
  4. Step 4: Simplify right side
    5,376.22x = 22,393,969.96
  5. Step 5: Solve for x
    x = 22,393,969.96/5,376.22
  6. Step 6: Final answer
    x = 4,165.37

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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.