Home / 5,129.02-7,047.29-4,079.26

Finding the Fourth Proportional to 5,129.02, 7,047.29 and 4,079.26

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Solution

The fourth proportional to 5,129.02, 7,047.29 and 4,079.26 is: 5,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.02 : 7,047.29 = 4,079.26 : x
  2. Step 2: Convert to fraction form
    5,129.02/7,047.29 = 4,079.26/x
  3. Step 3: Cross multiply
    5,129.02x = 7,047.29 × 4,079.26
  4. Step 4: Simplify right side
    5,129.02x = 28,747,728.21
  5. Step 5: Solve for x
    x = 28,747,728.21/5,129.02
  6. Step 6: Final answer
    x = 5,604.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.