Home / 5,892.12-8,130.78-3,374.64

Finding the Fourth Proportional to 5,892.12, 8,130.78 and 3,374.64

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Solution

The fourth proportional to 5,892.12, 8,130.78 and 3,374.64 is: 4,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.12 : 8,130.78 = 3,374.64 : x
  2. Step 2: Convert to fraction form
    5,892.12/8,130.78 = 3,374.64/x
  3. Step 3: Cross multiply
    5,892.12x = 8,130.78 × 3,374.64
  4. Step 4: Simplify right side
    5,892.12x = 27,438,455.42
  5. Step 5: Solve for x
    x = 27,438,455.42/5,892.12
  6. Step 6: Final answer
    x = 4,656.81

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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.