Home / 2,982.02-4,114.40-2,036.75

Finding the Fourth Proportional to 2,982.02, 4,114.40 and 2,036.75

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Solution

The fourth proportional to 2,982.02, 4,114.40 and 2,036.75 is: 2,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.02 : 4,114.40 = 2,036.75 : x
  2. Step 2: Convert to fraction form
    2,982.02/4,114.40 = 2,036.75/x
  3. Step 3: Cross multiply
    2,982.02x = 4,114.40 × 2,036.75
  4. Step 4: Simplify right side
    2,982.02x = 8,379,973.44
  5. Step 5: Solve for x
    x = 8,379,973.44/2,982.02
  6. Step 6: Final answer
    x = 2,810.17

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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.