Home / 3,576.61-4,935.74-2,085.55

Finding the Fourth Proportional to 3,576.61, 4,935.74 and 2,085.55

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Solution

The fourth proportional to 3,576.61, 4,935.74 and 2,085.55 is: 2,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.61 : 4,935.74 = 2,085.55 : x
  2. Step 2: Convert to fraction form
    3,576.61/4,935.74 = 2,085.55/x
  3. Step 3: Cross multiply
    3,576.61x = 4,935.74 × 2,085.55
  4. Step 4: Simplify right side
    3,576.61x = 10,293,732.56
  5. Step 5: Solve for x
    x = 10,293,732.56/3,576.61
  6. Step 6: Final answer
    x = 2,878.07

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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.