Home / 6,431.51-8,873.61-4,073.06

Finding the Fourth Proportional to 6,431.51, 8,873.61 and 4,073.06

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Solution

The fourth proportional to 6,431.51, 8,873.61 and 4,073.06 is: 5,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.51 : 8,873.61 = 4,073.06 : x
  2. Step 2: Convert to fraction form
    6,431.51/8,873.61 = 4,073.06/x
  3. Step 3: Cross multiply
    6,431.51x = 8,873.61 × 4,073.06
  4. Step 4: Simplify right side
    6,431.51x = 36,142,745.95
  5. Step 5: Solve for x
    x = 36,142,745.95/6,431.51
  6. Step 6: Final answer
    x = 5,619.64

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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.