Home / 2,104.02-2,903.76-1,443.06

Finding the Fourth Proportional to 2,104.02, 2,903.76 and 1,443.06

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Solution

The fourth proportional to 2,104.02, 2,903.76 and 1,443.06 is: 1,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.02 : 2,903.76 = 1,443.06 : x
  2. Step 2: Convert to fraction form
    2,104.02/2,903.76 = 1,443.06/x
  3. Step 3: Cross multiply
    2,104.02x = 2,903.76 × 1,443.06
  4. Step 4: Simplify right side
    2,104.02x = 4,190,299.91
  5. Step 5: Solve for x
    x = 4,190,299.91/2,104.02
  6. Step 6: Final answer
    x = 1,991.57

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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.