Home / 3,030.33-4,180.57-1,850.72

Finding the Fourth Proportional to 3,030.33, 4,180.57 and 1,850.72

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Solution

The fourth proportional to 3,030.33, 4,180.57 and 1,850.72 is: 2,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.33 : 4,180.57 = 1,850.72 : x
  2. Step 2: Convert to fraction form
    3,030.33/4,180.57 = 1,850.72/x
  3. Step 3: Cross multiply
    3,030.33x = 4,180.57 × 1,850.72
  4. Step 4: Simplify right side
    3,030.33x = 7,737,064.51
  5. Step 5: Solve for x
    x = 7,737,064.51/3,030.33
  6. Step 6: Final answer
    x = 2,553.21

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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.