Home / 3,383.41-4,669.13-1,871.19

Finding the Fourth Proportional to 3,383.41, 4,669.13 and 1,871.19

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Solution

The fourth proportional to 3,383.41, 4,669.13 and 1,871.19 is: 2,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.41 : 4,669.13 = 1,871.19 : x
  2. Step 2: Convert to fraction form
    3,383.41/4,669.13 = 1,871.19/x
  3. Step 3: Cross multiply
    3,383.41x = 4,669.13 × 1,871.19
  4. Step 4: Simplify right side
    3,383.41x = 8,736,824.85
  5. Step 5: Solve for x
    x = 8,736,824.85/3,383.41
  6. Step 6: Final answer
    x = 2,582.26

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Half scale
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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.