Home / 5,825.87-8,739.06-1,666.47

Finding the Fourth Proportional to 5,825.87, 8,739.06 and 1,666.47

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Solution

The fourth proportional to 5,825.87, 8,739.06 and 1,666.47 is: 2,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.87 : 8,739.06 = 1,666.47 : x
  2. Step 2: Convert to fraction form
    5,825.87/8,739.06 = 1,666.47/x
  3. Step 3: Cross multiply
    5,825.87x = 8,739.06 × 1,666.47
  4. Step 4: Simplify right side
    5,825.87x = 14,563,381.32
  5. Step 5: Solve for x
    x = 14,563,381.32/5,825.87
  6. Step 6: Final answer
    x = 2,499.78

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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.