Home / 6,285.79-9,424.77-2,124.55

Finding the Fourth Proportional to 6,285.79, 9,424.77 and 2,124.55

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Solution

The fourth proportional to 6,285.79, 9,424.77 and 2,124.55 is: 3,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.79 : 9,424.77 = 2,124.55 : x
  2. Step 2: Convert to fraction form
    6,285.79/9,424.77 = 2,124.55/x
  3. Step 3: Cross multiply
    6,285.79x = 9,424.77 × 2,124.55
  4. Step 4: Simplify right side
    6,285.79x = 20,023,395.10
  5. Step 5: Solve for x
    x = 20,023,395.10/6,285.79
  6. Step 6: Final answer
    x = 3,185.50

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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.