Home / 5,243.45-7,235.14-3,004.90

Finding the Fourth Proportional to 5,243.45, 7,235.14 and 3,004.90

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Solution

The fourth proportional to 5,243.45, 7,235.14 and 3,004.90 is: 4,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.45 : 7,235.14 = 3,004.90 : x
  2. Step 2: Convert to fraction form
    5,243.45/7,235.14 = 3,004.90/x
  3. Step 3: Cross multiply
    5,243.45x = 7,235.14 × 3,004.90
  4. Step 4: Simplify right side
    5,243.45x = 21,740,820.99
  5. Step 5: Solve for x
    x = 21,740,820.99/5,243.45
  6. Step 6: Final answer
    x = 4,146.28

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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.