Home / 5,459.37-8,181.23-3,114.51

Finding the Fourth Proportional to 5,459.37, 8,181.23 and 3,114.51

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Solution

The fourth proportional to 5,459.37, 8,181.23 and 3,114.51 is: 4,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.37 : 8,181.23 = 3,114.51 : x
  2. Step 2: Convert to fraction form
    5,459.37/8,181.23 = 3,114.51/x
  3. Step 3: Cross multiply
    5,459.37x = 8,181.23 × 3,114.51
  4. Step 4: Simplify right side
    5,459.37x = 25,480,507.07
  5. Step 5: Solve for x
    x = 25,480,507.07/5,459.37
  6. Step 6: Final answer
    x = 4,667.30

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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.