Home / 2,376.95-3,280.10-1,382.37

Finding the Fourth Proportional to 2,376.95, 3,280.10 and 1,382.37

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Solution

The fourth proportional to 2,376.95, 3,280.10 and 1,382.37 is: 1,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.95 : 3,280.10 = 1,382.37 : x
  2. Step 2: Convert to fraction form
    2,376.95/3,280.10 = 1,382.37/x
  3. Step 3: Cross multiply
    2,376.95x = 3,280.10 × 1,382.37
  4. Step 4: Simplify right side
    2,376.95x = 4,534,292.62
  5. Step 5: Solve for x
    x = 4,534,292.62/2,376.95
  6. Step 6: Final answer
    x = 1,907.61

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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.