Home / 2,931.41-4,396.08-1,082.03

Finding the Fourth Proportional to 2,931.41, 4,396.08 and 1,082.03

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Solution

The fourth proportional to 2,931.41, 4,396.08 and 1,082.03 is: 1,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.41 : 4,396.08 = 1,082.03 : x
  2. Step 2: Convert to fraction form
    2,931.41/4,396.08 = 1,082.03/x
  3. Step 3: Cross multiply
    2,931.41x = 4,396.08 × 1,082.03
  4. Step 4: Simplify right side
    2,931.41x = 4,756,687.74
  5. Step 5: Solve for x
    x = 4,756,687.74/2,931.41
  6. Step 6: Final answer
    x = 1,622.66

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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.