Home / 3,167.12-4,370.55-1,770.14

Finding the Fourth Proportional to 3,167.12, 4,370.55 and 1,770.14

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Solution

The fourth proportional to 3,167.12, 4,370.55 and 1,770.14 is: 2,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.12 : 4,370.55 = 1,770.14 : x
  2. Step 2: Convert to fraction form
    3,167.12/4,370.55 = 1,770.14/x
  3. Step 3: Cross multiply
    3,167.12x = 4,370.55 × 1,770.14
  4. Step 4: Simplify right side
    3,167.12x = 7,736,485.38
  5. Step 5: Solve for x
    x = 7,736,485.38/3,167.12
  6. Step 6: Final answer
    x = 2,442.75

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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.