Home / 5,985.19-8,981.89-2,089.60

Finding the Fourth Proportional to 5,985.19, 8,981.89 and 2,089.60

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Solution

The fourth proportional to 5,985.19, 8,981.89 and 2,089.60 is: 3,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.19 : 8,981.89 = 2,089.60 : x
  2. Step 2: Convert to fraction form
    5,985.19/8,981.89 = 2,089.60/x
  3. Step 3: Cross multiply
    5,985.19x = 8,981.89 × 2,089.60
  4. Step 4: Simplify right side
    5,985.19x = 18,768,501.99
  5. Step 5: Solve for x
    x = 18,768,501.99/5,985.19
  6. Step 6: Final answer
    x = 3,135.82

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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.