Home / 3,167.31-4,370.87-1,770.06

Finding the Fourth Proportional to 3,167.31, 4,370.87 and 1,770.06

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Solution

The fourth proportional to 3,167.31, 4,370.87 and 1,770.06 is: 2,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.31 : 4,370.87 = 1,770.06 : x
  2. Step 2: Convert to fraction form
    3,167.31/4,370.87 = 1,770.06/x
  3. Step 3: Cross multiply
    3,167.31x = 4,370.87 × 1,770.06
  4. Step 4: Simplify right side
    3,167.31x = 7,736,702.15
  5. Step 5: Solve for x
    x = 7,736,702.15/3,167.31
  6. Step 6: Final answer
    x = 2,442.67

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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.