Home / 4,289.02-6,432.20-1,823.80

Finding the Fourth Proportional to 4,289.02, 6,432.20 and 1,823.80

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Solution

The fourth proportional to 4,289.02, 6,432.20 and 1,823.80 is: 2,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.02 : 6,432.20 = 1,823.80 : x
  2. Step 2: Convert to fraction form
    4,289.02/6,432.20 = 1,823.80/x
  3. Step 3: Cross multiply
    4,289.02x = 6,432.20 × 1,823.80
  4. Step 4: Simplify right side
    4,289.02x = 11,731,046.36
  5. Step 5: Solve for x
    x = 11,731,046.36/4,289.02
  6. Step 6: Final answer
    x = 2,735.13

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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.