Home / 3,649.66-5,031.44-2,528.67

Finding the Fourth Proportional to 3,649.66, 5,031.44 and 2,528.67

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Solution

The fourth proportional to 3,649.66, 5,031.44 and 2,528.67 is: 3,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.66 : 5,031.44 = 2,528.67 : x
  2. Step 2: Convert to fraction form
    3,649.66/5,031.44 = 2,528.67/x
  3. Step 3: Cross multiply
    3,649.66x = 5,031.44 × 2,528.67
  4. Step 4: Simplify right side
    3,649.66x = 12,722,845.90
  5. Step 5: Solve for x
    x = 12,722,845.90/3,649.66
  6. Step 6: Final answer
    x = 3,486.04

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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.