Home / 4,724.12-6,516.35-3,399.57

Finding the Fourth Proportional to 4,724.12, 6,516.35 and 3,399.57

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Solution

The fourth proportional to 4,724.12, 6,516.35 and 3,399.57 is: 4,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.12 : 6,516.35 = 3,399.57 : x
  2. Step 2: Convert to fraction form
    4,724.12/6,516.35 = 3,399.57/x
  3. Step 3: Cross multiply
    4,724.12x = 6,516.35 × 3,399.57
  4. Step 4: Simplify right side
    4,724.12x = 22,152,783.72
  5. Step 5: Solve for x
    x = 22,152,783.72/4,724.12
  6. Step 6: Final answer
    x = 4,689.29

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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.