Home / 3,133.62-4,327.02-2,612.39

Finding the Fourth Proportional to 3,133.62, 4,327.02 and 2,612.39

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Solution

The fourth proportional to 3,133.62, 4,327.02 and 2,612.39 is: 3,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.62 : 4,327.02 = 2,612.39 : x
  2. Step 2: Convert to fraction form
    3,133.62/4,327.02 = 2,612.39/x
  3. Step 3: Cross multiply
    3,133.62x = 4,327.02 × 2,612.39
  4. Step 4: Simplify right side
    3,133.62x = 11,303,842.14
  5. Step 5: Solve for x
    x = 11,303,842.14/3,133.62
  6. Step 6: Final answer
    x = 3,607.28

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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.