Home / 7,136.92-9,852.25-4,151.66

Finding the Fourth Proportional to 7,136.92, 9,852.25 and 4,151.66

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Solution

The fourth proportional to 7,136.92, 9,852.25 and 4,151.66 is: 5,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.92 : 9,852.25 = 4,151.66 : x
  2. Step 2: Convert to fraction form
    7,136.92/9,852.25 = 4,151.66/x
  3. Step 3: Cross multiply
    7,136.92x = 9,852.25 × 4,151.66
  4. Step 4: Simplify right side
    7,136.92x = 40,903,192.24
  5. Step 5: Solve for x
    x = 40,903,192.24/7,136.92
  6. Step 6: Final answer
    x = 5,731.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.