Home / 3,476.87-5,215.63-1,136.89

Finding the Fourth Proportional to 3,476.87, 5,215.63 and 1,136.89

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Solution

The fourth proportional to 3,476.87, 5,215.63 and 1,136.89 is: 1,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.87 : 5,215.63 = 1,136.89 : x
  2. Step 2: Convert to fraction form
    3,476.87/5,215.63 = 1,136.89/x
  3. Step 3: Cross multiply
    3,476.87x = 5,215.63 × 1,136.89
  4. Step 4: Simplify right side
    3,476.87x = 5,929,581.71
  5. Step 5: Solve for x
    x = 5,929,581.71/3,476.87
  6. Step 6: Final answer
    x = 1,705.44

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1.5x scale

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.