Home / 3,650.70-5,031.63-2,471.34

Finding the Fourth Proportional to 3,650.70, 5,031.63 and 2,471.34

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Solution

The fourth proportional to 3,650.70, 5,031.63 and 2,471.34 is: 3,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.70 : 5,031.63 = 2,471.34 : x
  2. Step 2: Convert to fraction form
    3,650.70/5,031.63 = 2,471.34/x
  3. Step 3: Cross multiply
    3,650.70x = 5,031.63 × 2,471.34
  4. Step 4: Simplify right side
    3,650.70x = 12,434,868.48
  5. Step 5: Solve for x
    x = 12,434,868.48/3,650.70
  6. Step 6: Final answer
    x = 3,406.16

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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.