Home / 5,459.21-8,186.55-3,376.16

Finding the Fourth Proportional to 5,459.21, 8,186.55 and 3,376.16

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Solution

The fourth proportional to 5,459.21, 8,186.55 and 3,376.16 is: 5,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.21 : 8,186.55 = 3,376.16 : x
  2. Step 2: Convert to fraction form
    5,459.21/8,186.55 = 3,376.16/x
  3. Step 3: Cross multiply
    5,459.21x = 8,186.55 × 3,376.16
  4. Step 4: Simplify right side
    5,459.21x = 27,639,102.65
  5. Step 5: Solve for x
    x = 27,639,102.65/5,459.21
  6. Step 6: Final answer
    x = 5,062.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.