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Finding the Fourth Proportional to 3,504.84, 5,258.88 and 1,558.32

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Solution

The fourth proportional to 3,504.84, 5,258.88 and 1,558.32 is: 2,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.84 : 5,258.88 = 1,558.32 : x
  2. Step 2: Convert to fraction form
    3,504.84/5,258.88 = 1,558.32/x
  3. Step 3: Cross multiply
    3,504.84x = 5,258.88 × 1,558.32
  4. Step 4: Simplify right side
    3,504.84x = 8,195,017.88
  5. Step 5: Solve for x
    x = 8,195,017.88/3,504.84
  6. Step 6: Final answer
    x = 2,338.20

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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.