Home / 5,570.81-8,356.91-1,873.43

Finding the Fourth Proportional to 5,570.81, 8,356.91 and 1,873.43

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Solution

The fourth proportional to 5,570.81, 8,356.91 and 1,873.43 is: 2,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.81 : 8,356.91 = 1,873.43 : x
  2. Step 2: Convert to fraction form
    5,570.81/8,356.91 = 1,873.43/x
  3. Step 3: Cross multiply
    5,570.81x = 8,356.91 × 1,873.43
  4. Step 4: Simplify right side
    5,570.81x = 15,656,034.75
  5. Step 5: Solve for x
    x = 15,656,034.75/5,570.81
  6. Step 6: Final answer
    x = 2,810.37

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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.