Home / 1,817.03-2,506.85-1,640.25

Finding the Fourth Proportional to 1,817.03, 2,506.85 and 1,640.25

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Solution

The fourth proportional to 1,817.03, 2,506.85 and 1,640.25 is: 2,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.03 : 2,506.85 = 1,640.25 : x
  2. Step 2: Convert to fraction form
    1,817.03/2,506.85 = 1,640.25/x
  3. Step 3: Cross multiply
    1,817.03x = 2,506.85 × 1,640.25
  4. Step 4: Simplify right side
    1,817.03x = 4,111,858.66
  5. Step 5: Solve for x
    x = 4,111,858.66/1,817.03
  6. Step 6: Final answer
    x = 2,262.95

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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.