Home / 5,133.12-7,697.79-1,845.42

Finding the Fourth Proportional to 5,133.12, 7,697.79 and 1,845.42

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Solution

The fourth proportional to 5,133.12, 7,697.79 and 1,845.42 is: 2,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.12 : 7,697.79 = 1,845.42 : x
  2. Step 2: Convert to fraction form
    5,133.12/7,697.79 = 1,845.42/x
  3. Step 3: Cross multiply
    5,133.12x = 7,697.79 × 1,845.42
  4. Step 4: Simplify right side
    5,133.12x = 14,205,655.62
  5. Step 5: Solve for x
    x = 14,205,655.62/5,133.12
  6. Step 6: Final answer
    x = 2,767.45

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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.