Home / 4,931.55-7,397.33-3,181.95

Finding the Fourth Proportional to 4,931.55, 7,397.33 and 3,181.95

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Solution

The fourth proportional to 4,931.55, 7,397.33 and 3,181.95 is: 4,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.55 : 7,397.33 = 3,181.95 : x
  2. Step 2: Convert to fraction form
    4,931.55/7,397.33 = 3,181.95/x
  3. Step 3: Cross multiply
    4,931.55x = 7,397.33 × 3,181.95
  4. Step 4: Simplify right side
    4,931.55x = 23,537,918.28
  5. Step 5: Solve for x
    x = 23,537,918.28/4,931.55
  6. Step 6: Final answer
    x = 4,772.93

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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.