Home / 7,549.21-10,418.25-4,192.03

Finding the Fourth Proportional to 7,549.21, 10,418.25 and 4,192.03

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Solution

The fourth proportional to 7,549.21, 10,418.25 and 4,192.03 is: 5,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.21 : 10,418.25 = 4,192.03 : x
  2. Step 2: Convert to fraction form
    7,549.21/10,418.25 = 4,192.03/x
  3. Step 3: Cross multiply
    7,549.21x = 10,418.25 × 4,192.03
  4. Step 4: Simplify right side
    7,549.21x = 43,673,580.62
  5. Step 5: Solve for x
    x = 43,673,580.62/7,549.21
  6. Step 6: Final answer
    x = 5,785.18

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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.