Home / 5,443.12-8,164.56-1,795.12

Finding the Fourth Proportional to 5,443.12, 8,164.56 and 1,795.12

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Solution

The fourth proportional to 5,443.12, 8,164.56 and 1,795.12 is: 2,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.12 : 8,164.56 = 1,795.12 : x
  2. Step 2: Convert to fraction form
    5,443.12/8,164.56 = 1,795.12/x
  3. Step 3: Cross multiply
    5,443.12x = 8,164.56 × 1,795.12
  4. Step 4: Simplify right side
    5,443.12x = 14,656,364.95
  5. Step 5: Solve for x
    x = 14,656,364.95/5,443.12
  6. Step 6: Final answer
    x = 2,692.64

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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.