Home / 2,084.46-2,875.70-1,338.26

Finding the Fourth Proportional to 2,084.46, 2,875.70 and 1,338.26

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Solution

The fourth proportional to 2,084.46, 2,875.70 and 1,338.26 is: 1,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.46 : 2,875.70 = 1,338.26 : x
  2. Step 2: Convert to fraction form
    2,084.46/2,875.70 = 1,338.26/x
  3. Step 3: Cross multiply
    2,084.46x = 2,875.70 × 1,338.26
  4. Step 4: Simplify right side
    2,084.46x = 3,848,413.21
  5. Step 5: Solve for x
    x = 3,848,413.21/2,084.46
  6. Step 6: Final answer
    x = 1,846.24

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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.