Home / 5,872.08-8,802.64-1,973.75

Finding the Fourth Proportional to 5,872.08, 8,802.64 and 1,973.75

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Solution

The fourth proportional to 5,872.08, 8,802.64 and 1,973.75 is: 2,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.08 : 8,802.64 = 1,973.75 : x
  2. Step 2: Convert to fraction form
    5,872.08/8,802.64 = 1,973.75/x
  3. Step 3: Cross multiply
    5,872.08x = 8,802.64 × 1,973.75
  4. Step 4: Simplify right side
    5,872.08x = 17,374,210.70
  5. Step 5: Solve for x
    x = 17,374,210.70/5,872.08
  6. Step 6: Final answer
    x = 2,958.78

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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.