Home / 2,136.77-3,200.70-1,476.35

Finding the Fourth Proportional to 2,136.77, 3,200.70 and 1,476.35

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Solution

The fourth proportional to 2,136.77, 3,200.70 and 1,476.35 is: 2,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.77 : 3,200.70 = 1,476.35 : x
  2. Step 2: Convert to fraction form
    2,136.77/3,200.70 = 1,476.35/x
  3. Step 3: Cross multiply
    2,136.77x = 3,200.70 × 1,476.35
  4. Step 4: Simplify right side
    2,136.77x = 4,725,353.45
  5. Step 5: Solve for x
    x = 4,725,353.45/2,136.77
  6. Step 6: Final answer
    x = 2,211.45

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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.