Home / 5,422.32-8,133.06-1,724.76

Finding the Fourth Proportional to 5,422.32, 8,133.06 and 1,724.76

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Solution

The fourth proportional to 5,422.32, 8,133.06 and 1,724.76 is: 2,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.32 : 8,133.06 = 1,724.76 : x
  2. Step 2: Convert to fraction form
    5,422.32/8,133.06 = 1,724.76/x
  3. Step 3: Cross multiply
    5,422.32x = 8,133.06 × 1,724.76
  4. Step 4: Simplify right side
    5,422.32x = 14,027,576.57
  5. Step 5: Solve for x
    x = 14,027,576.57/5,422.32
  6. Step 6: Final answer
    x = 2,587.01

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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.