Home / 5,812.39-8,720.75-2,693.89

Finding the Fourth Proportional to 5,812.39, 8,720.75 and 2,693.89

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Solution

The fourth proportional to 5,812.39, 8,720.75 and 2,693.89 is: 4,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.39 : 8,720.75 = 2,693.89 : x
  2. Step 2: Convert to fraction form
    5,812.39/8,720.75 = 2,693.89/x
  3. Step 3: Cross multiply
    5,812.39x = 8,720.75 × 2,693.89
  4. Step 4: Simplify right side
    5,812.39x = 23,492,741.22
  5. Step 5: Solve for x
    x = 23,492,741.22/5,812.39
  6. Step 6: Final answer
    x = 4,041.84

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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.