Home / 2,991.02-4,484.30-2,015.06

Finding the Fourth Proportional to 2,991.02, 4,484.30 and 2,015.06

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Solution

The fourth proportional to 2,991.02, 4,484.30 and 2,015.06 is: 3,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.02 : 4,484.30 = 2,015.06 : x
  2. Step 2: Convert to fraction form
    2,991.02/4,484.30 = 2,015.06/x
  3. Step 3: Cross multiply
    2,991.02x = 4,484.30 × 2,015.06
  4. Step 4: Simplify right side
    2,991.02x = 9,036,133.56
  5. Step 5: Solve for x
    x = 9,036,133.56/2,991.02
  6. Step 6: Final answer
    x = 3,021.09

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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.