Home / 4,931.67-7,397.55-1,644.75

Finding the Fourth Proportional to 4,931.67, 7,397.55 and 1,644.75

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Solution

The fourth proportional to 4,931.67, 7,397.55 and 1,644.75 is: 2,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.67 : 7,397.55 = 1,644.75 : x
  2. Step 2: Convert to fraction form
    4,931.67/7,397.55 = 1,644.75/x
  3. Step 3: Cross multiply
    4,931.67x = 7,397.55 × 1,644.75
  4. Step 4: Simplify right side
    4,931.67x = 12,167,120.36
  5. Step 5: Solve for x
    x = 12,167,120.36/4,931.67
  6. Step 6: Final answer
    x = 2,467.14

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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.