Home / 3,561.18-4,915.26-2,302.71

Finding the Fourth Proportional to 3,561.18, 4,915.26 and 2,302.71

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Solution

The fourth proportional to 3,561.18, 4,915.26 and 2,302.71 is: 3,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.18 : 4,915.26 = 2,302.71 : x
  2. Step 2: Convert to fraction form
    3,561.18/4,915.26 = 2,302.71/x
  3. Step 3: Cross multiply
    3,561.18x = 4,915.26 × 2,302.71
  4. Step 4: Simplify right side
    3,561.18x = 11,318,418.35
  5. Step 5: Solve for x
    x = 11,318,418.35/3,561.18
  6. Step 6: Final answer
    x = 3,178.28

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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.