Home / 5,288.02-7,292.13-3,190.90

Finding the Fourth Proportional to 5,288.02, 7,292.13 and 3,190.90

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Solution

The fourth proportional to 5,288.02, 7,292.13 and 3,190.90 is: 4,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.02 : 7,292.13 = 3,190.90 : x
  2. Step 2: Convert to fraction form
    5,288.02/7,292.13 = 3,190.90/x
  3. Step 3: Cross multiply
    5,288.02x = 7,292.13 × 3,190.90
  4. Step 4: Simplify right side
    5,288.02x = 23,268,457.62
  5. Step 5: Solve for x
    x = 23,268,457.62/5,288.02
  6. Step 6: Final answer
    x = 4,400.22

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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.