Home / 5,112.37-7,056.87-3,432.83

Finding the Fourth Proportional to 5,112.37, 7,056.87 and 3,432.83

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Solution

The fourth proportional to 5,112.37, 7,056.87 and 3,432.83 is: 4,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.37 : 7,056.87 = 3,432.83 : x
  2. Step 2: Convert to fraction form
    5,112.37/7,056.87 = 3,432.83/x
  3. Step 3: Cross multiply
    5,112.37x = 7,056.87 × 3,432.83
  4. Step 4: Simplify right side
    5,112.37x = 24,225,035.04
  5. Step 5: Solve for x
    x = 24,225,035.04/5,112.37
  6. Step 6: Final answer
    x = 4,738.52

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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.