Home / 3,529.13-4,870.19-1,935.79

Finding the Fourth Proportional to 3,529.13, 4,870.19 and 1,935.79

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Solution

The fourth proportional to 3,529.13, 4,870.19 and 1,935.79 is: 2,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.13 : 4,870.19 = 1,935.79 : x
  2. Step 2: Convert to fraction form
    3,529.13/4,870.19 = 1,935.79/x
  3. Step 3: Cross multiply
    3,529.13x = 4,870.19 × 1,935.79
  4. Step 4: Simplify right side
    3,529.13x = 9,427,640.75
  5. Step 5: Solve for x
    x = 9,427,640.75/3,529.13
  6. Step 6: Final answer
    x = 2,671.38

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Double scale
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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.