Home / 3,038.33-4,193.24-1,858.70

Finding the Fourth Proportional to 3,038.33, 4,193.24 and 1,858.70

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Solution

The fourth proportional to 3,038.33, 4,193.24 and 1,858.70 is: 2,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.33 : 4,193.24 = 1,858.70 : x
  2. Step 2: Convert to fraction form
    3,038.33/4,193.24 = 1,858.70/x
  3. Step 3: Cross multiply
    3,038.33x = 4,193.24 × 1,858.70
  4. Step 4: Simplify right side
    3,038.33x = 7,793,976.38
  5. Step 5: Solve for x
    x = 7,793,976.38/3,038.33
  6. Step 6: Final answer
    x = 2,565.22

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Half scale
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Double scale
Find fourth proportional to 3,039.33, 4,194.62 and 1,859.70
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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.