Home / 3,187.17-4,770.51-1,702.68

Finding the Fourth Proportional to 3,187.17, 4,770.51 and 1,702.68

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Solution

The fourth proportional to 3,187.17, 4,770.51 and 1,702.68 is: 2,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.17 : 4,770.51 = 1,702.68 : x
  2. Step 2: Convert to fraction form
    3,187.17/4,770.51 = 1,702.68/x
  3. Step 3: Cross multiply
    3,187.17x = 4,770.51 × 1,702.68
  4. Step 4: Simplify right side
    3,187.17x = 8,122,628.11
  5. Step 5: Solve for x
    x = 8,122,628.11/3,187.17
  6. Step 6: Final answer
    x = 2,548.54

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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.