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Finding the Fourth Proportional to 2,633.54, 3,931 and 2,322.16

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Solution

The fourth proportional to 2,633.54, 3,931 and 2,322.16 is: 3,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.54 : 3,931 = 2,322.16 : x
  2. Step 2: Convert to fraction form
    2,633.54/3,931 = 2,322.16/x
  3. Step 3: Cross multiply
    2,633.54x = 3,931 × 2,322.16
  4. Step 4: Simplify right side
    2,633.54x = 9,128,410.96
  5. Step 5: Solve for x
    x = 9,128,410.96/2,633.54
  6. Step 6: Final answer
    x = 3,466.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.