Home / 5,725.71-8,588.90-1,829.81

Finding the Fourth Proportional to 5,725.71, 8,588.90 and 1,829.81

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Solution

The fourth proportional to 5,725.71, 8,588.90 and 1,829.81 is: 2,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.71 : 8,588.90 = 1,829.81 : x
  2. Step 2: Convert to fraction form
    5,725.71/8,588.90 = 1,829.81/x
  3. Step 3: Cross multiply
    5,725.71x = 8,588.90 × 1,829.81
  4. Step 4: Simplify right side
    5,725.71x = 15,716,081.16
  5. Step 5: Solve for x
    x = 15,716,081.16/5,725.71
  6. Step 6: Final answer
    x = 2,744.83

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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.