Home / 3,068.55-4,234.51-1,671.30

Finding the Fourth Proportional to 3,068.55, 4,234.51 and 1,671.30

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Solution

The fourth proportional to 3,068.55, 4,234.51 and 1,671.30 is: 2,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.55 : 4,234.51 = 1,671.30 : x
  2. Step 2: Convert to fraction form
    3,068.55/4,234.51 = 1,671.30/x
  3. Step 3: Cross multiply
    3,068.55x = 4,234.51 × 1,671.30
  4. Step 4: Simplify right side
    3,068.55x = 7,077,136.56
  5. Step 5: Solve for x
    x = 7,077,136.56/3,068.55
  6. Step 6: Final answer
    x = 2,306.35

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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.