Home / 5,870.64-8,101.49-3,218.22

Finding the Fourth Proportional to 5,870.64, 8,101.49 and 3,218.22

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Solution

The fourth proportional to 5,870.64, 8,101.49 and 3,218.22 is: 4,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.64 : 8,101.49 = 3,218.22 : x
  2. Step 2: Convert to fraction form
    5,870.64/8,101.49 = 3,218.22/x
  3. Step 3: Cross multiply
    5,870.64x = 8,101.49 × 3,218.22
  4. Step 4: Simplify right side
    5,870.64x = 26,072,361.06
  5. Step 5: Solve for x
    x = 26,072,361.06/5,870.64
  6. Step 6: Final answer
    x = 4,441.14

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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.