Home / 3,771.12-5,202.44-2,445.16

Finding the Fourth Proportional to 3,771.12, 5,202.44 and 2,445.16

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Solution

The fourth proportional to 3,771.12, 5,202.44 and 2,445.16 is: 3,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.12 : 5,202.44 = 2,445.16 : x
  2. Step 2: Convert to fraction form
    3,771.12/5,202.44 = 2,445.16/x
  3. Step 3: Cross multiply
    3,771.12x = 5,202.44 × 2,445.16
  4. Step 4: Simplify right side
    3,771.12x = 12,720,798.19
  5. Step 5: Solve for x
    x = 12,720,798.19/3,771.12
  6. Step 6: Final answer
    x = 3,373.21

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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.