Home / 2,202.47-3,031.14-2,025.49

Finding the Fourth Proportional to 2,202.47, 3,031.14 and 2,025.49

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Solution

The fourth proportional to 2,202.47, 3,031.14 and 2,025.49 is: 2,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.47 : 3,031.14 = 2,025.49 : x
  2. Step 2: Convert to fraction form
    2,202.47/3,031.14 = 2,025.49/x
  3. Step 3: Cross multiply
    2,202.47x = 3,031.14 × 2,025.49
  4. Step 4: Simplify right side
    2,202.47x = 6,139,543.76
  5. Step 5: Solve for x
    x = 6,139,543.76/2,202.47
  6. Step 6: Final answer
    x = 2,787.57

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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.