Home / 5,173.74-7,137.42-3,048.18

Finding the Fourth Proportional to 5,173.74, 7,137.42 and 3,048.18

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Solution

The fourth proportional to 5,173.74, 7,137.42 and 3,048.18 is: 4,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.74 : 7,137.42 = 3,048.18 : x
  2. Step 2: Convert to fraction form
    5,173.74/7,137.42 = 3,048.18/x
  3. Step 3: Cross multiply
    5,173.74x = 7,137.42 × 3,048.18
  4. Step 4: Simplify right side
    5,173.74x = 21,756,140.90
  5. Step 5: Solve for x
    x = 21,756,140.90/5,173.74
  6. Step 6: Final answer
    x = 4,205.11

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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.