Home / 5,326.84-7,991.70-1,864.36

Finding the Fourth Proportional to 5,326.84, 7,991.70 and 1,864.36

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Solution

The fourth proportional to 5,326.84, 7,991.70 and 1,864.36 is: 2,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.84 : 7,991.70 = 1,864.36 : x
  2. Step 2: Convert to fraction form
    5,326.84/7,991.70 = 1,864.36/x
  3. Step 3: Cross multiply
    5,326.84x = 7,991.70 × 1,864.36
  4. Step 4: Simplify right side
    5,326.84x = 14,899,405.81
  5. Step 5: Solve for x
    x = 14,899,405.81/5,326.84
  6. Step 6: Final answer
    x = 2,797.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.