Home / 3,585.84-4,940.28-2,685.66

Finding the Fourth Proportional to 3,585.84, 4,940.28 and 2,685.66

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Solution

The fourth proportional to 3,585.84, 4,940.28 and 2,685.66 is: 3,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.84 : 4,940.28 = 2,685.66 : x
  2. Step 2: Convert to fraction form
    3,585.84/4,940.28 = 2,685.66/x
  3. Step 3: Cross multiply
    3,585.84x = 4,940.28 × 2,685.66
  4. Step 4: Simplify right side
    3,585.84x = 13,267,912.38
  5. Step 5: Solve for x
    x = 13,267,912.38/3,585.84
  6. Step 6: Final answer
    x = 3,700.08

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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.