Home / 5,975.81-8,964.08-1,816.12

Finding the Fourth Proportional to 5,975.81, 8,964.08 and 1,816.12

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Solution

The fourth proportional to 5,975.81, 8,964.08 and 1,816.12 is: 2,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.81 : 8,964.08 = 1,816.12 : x
  2. Step 2: Convert to fraction form
    5,975.81/8,964.08 = 1,816.12/x
  3. Step 3: Cross multiply
    5,975.81x = 8,964.08 × 1,816.12
  4. Step 4: Simplify right side
    5,975.81x = 16,279,856.46
  5. Step 5: Solve for x
    x = 16,279,856.46/5,975.81
  6. Step 6: Final answer
    x = 2,724.29

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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.