Home / 1,823.88-2,515.55-1,227.01

Finding the Fourth Proportional to 1,823.88, 2,515.55 and 1,227.01

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Solution

The fourth proportional to 1,823.88, 2,515.55 and 1,227.01 is: 1,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.88 : 2,515.55 = 1,227.01 : x
  2. Step 2: Convert to fraction form
    1,823.88/2,515.55 = 1,227.01/x
  3. Step 3: Cross multiply
    1,823.88x = 2,515.55 × 1,227.01
  4. Step 4: Simplify right side
    1,823.88x = 3,086,586.29
  5. Step 5: Solve for x
    x = 3,086,586.29/1,823.88
  6. Step 6: Final answer
    x = 1,692.32

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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.