Home / 5,531.90-8,298.87-1,582.99

Finding the Fourth Proportional to 5,531.90, 8,298.87 and 1,582.99

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Solution

The fourth proportional to 5,531.90, 8,298.87 and 1,582.99 is: 2,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.90 : 8,298.87 = 1,582.99 : x
  2. Step 2: Convert to fraction form
    5,531.90/8,298.87 = 1,582.99/x
  3. Step 3: Cross multiply
    5,531.90x = 8,298.87 × 1,582.99
  4. Step 4: Simplify right side
    5,531.90x = 13,137,028.22
  5. Step 5: Solve for x
    x = 13,137,028.22/5,531.90
  6. Step 6: Final answer
    x = 2,374.78

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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.