Home / 3,859.02-5,325.48-2,288.16

Finding the Fourth Proportional to 3,859.02, 5,325.48 and 2,288.16

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Solution

The fourth proportional to 3,859.02, 5,325.48 and 2,288.16 is: 3,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.02 : 5,325.48 = 2,288.16 : x
  2. Step 2: Convert to fraction form
    3,859.02/5,325.48 = 2,288.16/x
  3. Step 3: Cross multiply
    3,859.02x = 5,325.48 × 2,288.16
  4. Step 4: Simplify right side
    3,859.02x = 12,185,550.32
  5. Step 5: Solve for x
    x = 12,185,550.32/3,859.02
  6. Step 6: Final answer
    x = 3,157.68

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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.