Home / 3,453.48-5,172.12-3,038.22

Finding the Fourth Proportional to 3,453.48, 5,172.12 and 3,038.22

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Solution

The fourth proportional to 3,453.48, 5,172.12 and 3,038.22 is: 4,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.48 : 5,172.12 = 3,038.22 : x
  2. Step 2: Convert to fraction form
    3,453.48/5,172.12 = 3,038.22/x
  3. Step 3: Cross multiply
    3,453.48x = 5,172.12 × 3,038.22
  4. Step 4: Simplify right side
    3,453.48x = 15,714,038.43
  5. Step 5: Solve for x
    x = 15,714,038.43/3,453.48
  6. Step 6: Final answer
    x = 4,550.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.