Home / 3,549.42-4,903.20-3,057.48

Finding the Fourth Proportional to 3,549.42, 4,903.20 and 3,057.48

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Solution

The fourth proportional to 3,549.42, 4,903.20 and 3,057.48 is: 4,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.42 : 4,903.20 = 3,057.48 : x
  2. Step 2: Convert to fraction form
    3,549.42/4,903.20 = 3,057.48/x
  3. Step 3: Cross multiply
    3,549.42x = 4,903.20 × 3,057.48
  4. Step 4: Simplify right side
    3,549.42x = 14,991,435.94
  5. Step 5: Solve for x
    x = 14,991,435.94/3,549.42
  6. Step 6: Final answer
    x = 4,223.63

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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.