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Finding the Fourth Proportional to 2,681.58, 3,692.16 and 2,435.54

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Solution

The fourth proportional to 2,681.58, 3,692.16 and 2,435.54 is: 3,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.58 : 3,692.16 = 2,435.54 : x
  2. Step 2: Convert to fraction form
    2,681.58/3,692.16 = 2,435.54/x
  3. Step 3: Cross multiply
    2,681.58x = 3,692.16 × 2,435.54
  4. Step 4: Simplify right side
    2,681.58x = 8,992,403.37
  5. Step 5: Solve for x
    x = 8,992,403.37/2,681.58
  6. Step 6: Final answer
    x = 3,353.40

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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.