Home / 3,178.50-4,765.02-1,232.07

Finding the Fourth Proportional to 3,178.50, 4,765.02 and 1,232.07

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Solution

The fourth proportional to 3,178.50, 4,765.02 and 1,232.07 is: 1,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.50 : 4,765.02 = 1,232.07 : x
  2. Step 2: Convert to fraction form
    3,178.50/4,765.02 = 1,232.07/x
  3. Step 3: Cross multiply
    3,178.50x = 4,765.02 × 1,232.07
  4. Step 4: Simplify right side
    3,178.50x = 5,870,838.19
  5. Step 5: Solve for x
    x = 5,870,838.19/3,178.50
  6. Step 6: Final answer
    x = 1,847.05

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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.