Home / 3,258.83-4,495.79-2,197.28

Finding the Fourth Proportional to 3,258.83, 4,495.79 and 2,197.28

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Solution

The fourth proportional to 3,258.83, 4,495.79 and 2,197.28 is: 3,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.83 : 4,495.79 = 2,197.28 : x
  2. Step 2: Convert to fraction form
    3,258.83/4,495.79 = 2,197.28/x
  3. Step 3: Cross multiply
    3,258.83x = 4,495.79 × 2,197.28
  4. Step 4: Simplify right side
    3,258.83x = 9,878,475.99
  5. Step 5: Solve for x
    x = 9,878,475.99/3,258.83
  6. Step 6: Final answer
    x = 3,031.30

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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.