Home / 5,985.12-8,977.74-2,089.53

Finding the Fourth Proportional to 5,985.12, 8,977.74 and 2,089.53

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Solution

The fourth proportional to 5,985.12, 8,977.74 and 2,089.53 is: 3,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.12 : 8,977.74 = 2,089.53 : x
  2. Step 2: Convert to fraction form
    5,985.12/8,977.74 = 2,089.53/x
  3. Step 3: Cross multiply
    5,985.12x = 8,977.74 × 2,089.53
  4. Step 4: Simplify right side
    5,985.12x = 18,759,257.06
  5. Step 5: Solve for x
    x = 18,759,257.06/5,985.12
  6. Step 6: Final answer
    x = 3,134.32

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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.