Home / 5,946.81-8,205.89-3,429.75

Finding the Fourth Proportional to 5,946.81, 8,205.89 and 3,429.75

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Solution

The fourth proportional to 5,946.81, 8,205.89 and 3,429.75 is: 4,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.81 : 8,205.89 = 3,429.75 : x
  2. Step 2: Convert to fraction form
    5,946.81/8,205.89 = 3,429.75/x
  3. Step 3: Cross multiply
    5,946.81x = 8,205.89 × 3,429.75
  4. Step 4: Simplify right side
    5,946.81x = 28,144,134.08
  5. Step 5: Solve for x
    x = 28,144,134.08/5,946.81
  6. Step 6: Final answer
    x = 4,732.64

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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.