Home / 3,047.02-4,204.47-1,788.38

Finding the Fourth Proportional to 3,047.02, 4,204.47 and 1,788.38

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Solution

The fourth proportional to 3,047.02, 4,204.47 and 1,788.38 is: 2,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.02 : 4,204.47 = 1,788.38 : x
  2. Step 2: Convert to fraction form
    3,047.02/4,204.47 = 1,788.38/x
  3. Step 3: Cross multiply
    3,047.02x = 4,204.47 × 1,788.38
  4. Step 4: Simplify right side
    3,047.02x = 7,519,190.06
  5. Step 5: Solve for x
    x = 7,519,190.06/3,047.02
  6. Step 6: Final answer
    x = 2,467.72

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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.