Home / 3,136.70-4,720.76-2,360.72

Finding the Fourth Proportional to 3,136.70, 4,720.76 and 2,360.72

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Solution

The fourth proportional to 3,136.70, 4,720.76 and 2,360.72 is: 3,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.70 : 4,720.76 = 2,360.72 : x
  2. Step 2: Convert to fraction form
    3,136.70/4,720.76 = 2,360.72/x
  3. Step 3: Cross multiply
    3,136.70x = 4,720.76 × 2,360.72
  4. Step 4: Simplify right side
    3,136.70x = 11,144,357.14
  5. Step 5: Solve for x
    x = 11,144,357.14/3,136.70
  6. Step 6: Final answer
    x = 3,552.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.