Home / 5,619.48-8,424.60-4,230.04

Finding the Fourth Proportional to 5,619.48, 8,424.60 and 4,230.04

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Solution

The fourth proportional to 5,619.48, 8,424.60 and 4,230.04 is: 6,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.48 : 8,424.60 = 4,230.04 : x
  2. Step 2: Convert to fraction form
    5,619.48/8,424.60 = 4,230.04/x
  3. Step 3: Cross multiply
    5,619.48x = 8,424.60 × 4,230.04
  4. Step 4: Simplify right side
    5,619.48x = 35,636,394.98
  5. Step 5: Solve for x
    x = 35,636,394.98/5,619.48
  6. Step 6: Final answer
    x = 6,341.58

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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.