Home / 4,682.88-6,461.28-2,692.80

Finding the Fourth Proportional to 4,682.88, 6,461.28 and 2,692.80

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Solution

The fourth proportional to 4,682.88, 6,461.28 and 2,692.80 is: 3,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.88 : 6,461.28 = 2,692.80 : x
  2. Step 2: Convert to fraction form
    4,682.88/6,461.28 = 2,692.80/x
  3. Step 3: Cross multiply
    4,682.88x = 6,461.28 × 2,692.80
  4. Step 4: Simplify right side
    4,682.88x = 17,398,934.78
  5. Step 5: Solve for x
    x = 17,398,934.78/4,682.88
  6. Step 6: Final answer
    x = 3,715.43

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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.