Home / 3,212.02-4,432.53-1,814.74

Finding the Fourth Proportional to 3,212.02, 4,432.53 and 1,814.74

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Solution

The fourth proportional to 3,212.02, 4,432.53 and 1,814.74 is: 2,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.02 : 4,432.53 = 1,814.74 : x
  2. Step 2: Convert to fraction form
    3,212.02/4,432.53 = 1,814.74/x
  3. Step 3: Cross multiply
    3,212.02x = 4,432.53 × 1,814.74
  4. Step 4: Simplify right side
    3,212.02x = 8,043,889.49
  5. Step 5: Solve for x
    x = 8,043,889.49/3,212.02
  6. Step 6: Final answer
    x = 2,504.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.