Home / 3,258.24-4,880.16-2,100.48

Finding the Fourth Proportional to 3,258.24, 4,880.16 and 2,100.48

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Solution

The fourth proportional to 3,258.24, 4,880.16 and 2,100.48 is: 3,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.24 : 4,880.16 = 2,100.48 : x
  2. Step 2: Convert to fraction form
    3,258.24/4,880.16 = 2,100.48/x
  3. Step 3: Cross multiply
    3,258.24x = 4,880.16 × 2,100.48
  4. Step 4: Simplify right side
    3,258.24x = 10,250,678.48
  5. Step 5: Solve for x
    x = 10,250,678.48/3,258.24
  6. Step 6: Final answer
    x = 3,146.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.