Home / 3,068.64-4,234.68-1,671.36

Finding the Fourth Proportional to 3,068.64, 4,234.68 and 1,671.36

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Solution

The fourth proportional to 3,068.64, 4,234.68 and 1,671.36 is: 2,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.64 : 4,234.68 = 1,671.36 : x
  2. Step 2: Convert to fraction form
    3,068.64/4,234.68 = 1,671.36/x
  3. Step 3: Cross multiply
    3,068.64x = 4,234.68 × 1,671.36
  4. Step 4: Simplify right side
    3,068.64x = 7,077,674.76
  5. Step 5: Solve for x
    x = 7,077,674.76/3,068.64
  6. Step 6: Final answer
    x = 2,306.45

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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.