Home / 3,136.34-4,704.51-945.08

Finding the Fourth Proportional to 3,136.34, 4,704.51 and 945.08

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Solution

The fourth proportional to 3,136.34, 4,704.51 and 945.08 is: 1,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.34 : 4,704.51 = 945.08 : x
  2. Step 2: Convert to fraction form
    3,136.34/4,704.51 = 945.08/x
  3. Step 3: Cross multiply
    3,136.34x = 4,704.51 × 945.08
  4. Step 4: Simplify right side
    3,136.34x = 4,446,138.31
  5. Step 5: Solve for x
    x = 4,446,138.31/3,136.34
  6. Step 6: Final answer
    x = 1,417.62

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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.