Home / 2,072.60-2,859.70-1,233.58

Finding the Fourth Proportional to 2,072.60, 2,859.70 and 1,233.58

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Solution

The fourth proportional to 2,072.60, 2,859.70 and 1,233.58 is: 1,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.60 : 2,859.70 = 1,233.58 : x
  2. Step 2: Convert to fraction form
    2,072.60/2,859.70 = 1,233.58/x
  3. Step 3: Cross multiply
    2,072.60x = 2,859.70 × 1,233.58
  4. Step 4: Simplify right side
    2,072.60x = 3,527,668.73
  5. Step 5: Solve for x
    x = 3,527,668.73/2,072.60
  6. Step 6: Final answer
    x = 1,702.05

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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.