Home / 4,777.26-7,168.77-1,858.02

Finding the Fourth Proportional to 4,777.26, 7,168.77 and 1,858.02

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Solution

The fourth proportional to 4,777.26, 7,168.77 and 1,858.02 is: 2,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.26 : 7,168.77 = 1,858.02 : x
  2. Step 2: Convert to fraction form
    4,777.26/7,168.77 = 1,858.02/x
  3. Step 3: Cross multiply
    4,777.26x = 7,168.77 × 1,858.02
  4. Step 4: Simplify right side
    4,777.26x = 13,319,718.04
  5. Step 5: Solve for x
    x = 13,319,718.04/4,777.26
  6. Step 6: Final answer
    x = 2,788.15

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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.