Home / 3,201.63-4,417.24-2,154.30

Finding the Fourth Proportional to 3,201.63, 4,417.24 and 2,154.30

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Solution

The fourth proportional to 3,201.63, 4,417.24 and 2,154.30 is: 2,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.63 : 4,417.24 = 2,154.30 : x
  2. Step 2: Convert to fraction form
    3,201.63/4,417.24 = 2,154.30/x
  3. Step 3: Cross multiply
    3,201.63x = 4,417.24 × 2,154.30
  4. Step 4: Simplify right side
    3,201.63x = 9,516,060.13
  5. Step 5: Solve for x
    x = 9,516,060.13/3,201.63
  6. Step 6: Final answer
    x = 2,972.25

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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.