Home / 2,185.93-3,277.36-1,129.18

Finding the Fourth Proportional to 2,185.93, 3,277.36 and 1,129.18

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Solution

The fourth proportional to 2,185.93, 3,277.36 and 1,129.18 is: 1,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.93 : 3,277.36 = 1,129.18 : x
  2. Step 2: Convert to fraction form
    2,185.93/3,277.36 = 1,129.18/x
  3. Step 3: Cross multiply
    2,185.93x = 3,277.36 × 1,129.18
  4. Step 4: Simplify right side
    2,185.93x = 3,700,729.36
  5. Step 5: Solve for x
    x = 3,700,729.36/2,185.93
  6. Step 6: Final answer
    x = 1,692.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.