Home / 4,955.40-7,435.54-2,181.74

Finding the Fourth Proportional to 4,955.40, 7,435.54 and 2,181.74

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Solution

The fourth proportional to 4,955.40, 7,435.54 and 2,181.74 is: 3,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.40 : 7,435.54 = 2,181.74 : x
  2. Step 2: Convert to fraction form
    4,955.40/7,435.54 = 2,181.74/x
  3. Step 3: Cross multiply
    4,955.40x = 7,435.54 × 2,181.74
  4. Step 4: Simplify right side
    4,955.40x = 16,222,415.04
  5. Step 5: Solve for x
    x = 16,222,415.04/4,955.40
  6. Step 6: Final answer
    x = 3,273.68

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1.5x scale

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.