Home / 2,685.14-3,706.76-1,801.52

Finding the Fourth Proportional to 2,685.14, 3,706.76 and 1,801.52

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Solution

The fourth proportional to 2,685.14, 3,706.76 and 1,801.52 is: 2,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.14 : 3,706.76 = 1,801.52 : x
  2. Step 2: Convert to fraction form
    2,685.14/3,706.76 = 1,801.52/x
  3. Step 3: Cross multiply
    2,685.14x = 3,706.76 × 1,801.52
  4. Step 4: Simplify right side
    2,685.14x = 6,677,802.28
  5. Step 5: Solve for x
    x = 6,677,802.28/2,685.14
  6. Step 6: Final answer
    x = 2,486.95

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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.