Home / 3,149.02-4,720.47-1,174.18

Finding the Fourth Proportional to 3,149.02, 4,720.47 and 1,174.18

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Solution

The fourth proportional to 3,149.02, 4,720.47 and 1,174.18 is: 1,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.02 : 4,720.47 = 1,174.18 : x
  2. Step 2: Convert to fraction form
    3,149.02/4,720.47 = 1,174.18/x
  3. Step 3: Cross multiply
    3,149.02x = 4,720.47 × 1,174.18
  4. Step 4: Simplify right side
    3,149.02x = 5,542,681.46
  5. Step 5: Solve for x
    x = 5,542,681.46/3,149.02
  6. Step 6: Final answer
    x = 1,760.13

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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.