Home / 7,280.26-10,046.70-4,136.45

Finding the Fourth Proportional to 7,280.26, 10,046.70 and 4,136.45

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Solution

The fourth proportional to 7,280.26, 10,046.70 and 4,136.45 is: 5,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.26 : 10,046.70 = 4,136.45 : x
  2. Step 2: Convert to fraction form
    7,280.26/10,046.70 = 4,136.45/x
  3. Step 3: Cross multiply
    7,280.26x = 10,046.70 × 4,136.45
  4. Step 4: Simplify right side
    7,280.26x = 41,557,672.22
  5. Step 5: Solve for x
    x = 41,557,672.22/7,280.26
  6. Step 6: Final answer
    x = 5,708.27

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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.