Home / 1,817.56-2,506.74-1,227.16

Finding the Fourth Proportional to 1,817.56, 2,506.74 and 1,227.16

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Solution

The fourth proportional to 1,817.56, 2,506.74 and 1,227.16 is: 1,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.56 : 2,506.74 = 1,227.16 : x
  2. Step 2: Convert to fraction form
    1,817.56/2,506.74 = 1,227.16/x
  3. Step 3: Cross multiply
    1,817.56x = 2,506.74 × 1,227.16
  4. Step 4: Simplify right side
    1,817.56x = 3,076,171.06
  5. Step 5: Solve for x
    x = 3,076,171.06/1,817.56
  6. Step 6: Final answer
    x = 1,692.47

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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.