Home / 5,375.41-7,417.71-3,136.94

Finding the Fourth Proportional to 5,375.41, 7,417.71 and 3,136.94

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Solution

The fourth proportional to 5,375.41, 7,417.71 and 3,136.94 is: 4,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.41 : 7,417.71 = 3,136.94 : x
  2. Step 2: Convert to fraction form
    5,375.41/7,417.71 = 3,136.94/x
  3. Step 3: Cross multiply
    5,375.41x = 7,417.71 × 3,136.94
  4. Step 4: Simplify right side
    5,375.41x = 23,268,901.94
  5. Step 5: Solve for x
    x = 23,268,901.94/5,375.41
  6. Step 6: Final answer
    x = 4,328.77

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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.