Home / 5,094.18-7,641.68-2,172.51

Finding the Fourth Proportional to 5,094.18, 7,641.68 and 2,172.51

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Solution

The fourth proportional to 5,094.18, 7,641.68 and 2,172.51 is: 3,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.18 : 7,641.68 = 2,172.51 : x
  2. Step 2: Convert to fraction form
    5,094.18/7,641.68 = 2,172.51/x
  3. Step 3: Cross multiply
    5,094.18x = 7,641.68 × 2,172.51
  4. Step 4: Simplify right side
    5,094.18x = 16,601,615.35
  5. Step 5: Solve for x
    x = 16,601,615.35/5,094.18
  6. Step 6: Final answer
    x = 3,258.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.