Home / 6,154.26-8,491.03-3,636.60

Finding the Fourth Proportional to 6,154.26, 8,491.03 and 3,636.60

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Solution

The fourth proportional to 6,154.26, 8,491.03 and 3,636.60 is: 5,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.26 : 8,491.03 = 3,636.60 : x
  2. Step 2: Convert to fraction form
    6,154.26/8,491.03 = 3,636.60/x
  3. Step 3: Cross multiply
    6,154.26x = 8,491.03 × 3,636.60
  4. Step 4: Simplify right side
    6,154.26x = 30,878,479.70
  5. Step 5: Solve for x
    x = 30,878,479.70/6,154.26
  6. Step 6: Final answer
    x = 5,017.42

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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.