Home / 5,088.84-7,022.16-2,820.06

Finding the Fourth Proportional to 5,088.84, 7,022.16 and 2,820.06

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Solution

The fourth proportional to 5,088.84, 7,022.16 and 2,820.06 is: 3,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.84 : 7,022.16 = 2,820.06 : x
  2. Step 2: Convert to fraction form
    5,088.84/7,022.16 = 2,820.06/x
  3. Step 3: Cross multiply
    5,088.84x = 7,022.16 × 2,820.06
  4. Step 4: Simplify right side
    5,088.84x = 19,802,912.53
  5. Step 5: Solve for x
    x = 19,802,912.53/5,088.84
  6. Step 6: Final answer
    x = 3,891.44

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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.