Home / 3,852.45-5,316.38-2,084.06

Finding the Fourth Proportional to 3,852.45, 5,316.38 and 2,084.06

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Solution

The fourth proportional to 3,852.45, 5,316.38 and 2,084.06 is: 2,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.45 : 5,316.38 = 2,084.06 : x
  2. Step 2: Convert to fraction form
    3,852.45/5,316.38 = 2,084.06/x
  3. Step 3: Cross multiply
    3,852.45x = 5,316.38 × 2,084.06
  4. Step 4: Simplify right side
    3,852.45x = 11,079,617.90
  5. Step 5: Solve for x
    x = 11,079,617.90/3,852.45
  6. Step 6: Final answer
    x = 2,875.99

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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.