Home / 6,271.56-8,654.46-3,619.08

Finding the Fourth Proportional to 6,271.56, 8,654.46 and 3,619.08

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Solution

The fourth proportional to 6,271.56, 8,654.46 and 3,619.08 is: 4,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.56 : 8,654.46 = 3,619.08 : x
  2. Step 2: Convert to fraction form
    6,271.56/8,654.46 = 3,619.08/x
  3. Step 3: Cross multiply
    6,271.56x = 8,654.46 × 3,619.08
  4. Step 4: Simplify right side
    6,271.56x = 31,321,183.10
  5. Step 5: Solve for x
    x = 31,321,183.10/6,271.56
  6. Step 6: Final answer
    x = 4,994.16

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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.