Home / 1,996.02-2,751.57-1,406.34

Finding the Fourth Proportional to 1,996.02, 2,751.57 and 1,406.34

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Solution

The fourth proportional to 1,996.02, 2,751.57 and 1,406.34 is: 1,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.02 : 2,751.57 = 1,406.34 : x
  2. Step 2: Convert to fraction form
    1,996.02/2,751.57 = 1,406.34/x
  3. Step 3: Cross multiply
    1,996.02x = 2,751.57 × 1,406.34
  4. Step 4: Simplify right side
    1,996.02x = 3,869,642.95
  5. Step 5: Solve for x
    x = 3,869,642.95/1,996.02
  6. Step 6: Final answer
    x = 1,938.68

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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.