Home / 5,237.02-7,226.78-2,879.16

Finding the Fourth Proportional to 5,237.02, 7,226.78 and 2,879.16

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Solution

The fourth proportional to 5,237.02, 7,226.78 and 2,879.16 is: 3,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.02 : 7,226.78 = 2,879.16 : x
  2. Step 2: Convert to fraction form
    5,237.02/7,226.78 = 2,879.16/x
  3. Step 3: Cross multiply
    5,237.02x = 7,226.78 × 2,879.16
  4. Step 4: Simplify right side
    5,237.02x = 20,807,055.90
  5. Step 5: Solve for x
    x = 20,807,055.90/5,237.02
  6. Step 6: Final answer
    x = 3,973.07

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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.