Home / 3,166.28-4,368.39-1,838.89

Finding the Fourth Proportional to 3,166.28, 4,368.39 and 1,838.89

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Solution

The fourth proportional to 3,166.28, 4,368.39 and 1,838.89 is: 2,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.28 : 4,368.39 = 1,838.89 : x
  2. Step 2: Convert to fraction form
    3,166.28/4,368.39 = 1,838.89/x
  3. Step 3: Cross multiply
    3,166.28x = 4,368.39 × 1,838.89
  4. Step 4: Simplify right side
    3,166.28x = 8,032,988.69
  5. Step 5: Solve for x
    x = 8,032,988.69/3,166.28
  6. Step 6: Final answer
    x = 2,537.04

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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.