Home / 4,722.31-7,110.91-3,498.40

Finding the Fourth Proportional to 4,722.31, 7,110.91 and 3,498.40

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Solution

The fourth proportional to 4,722.31, 7,110.91 and 3,498.40 is: 5,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.31 : 7,110.91 = 3,498.40 : x
  2. Step 2: Convert to fraction form
    4,722.31/7,110.91 = 3,498.40/x
  3. Step 3: Cross multiply
    4,722.31x = 7,110.91 × 3,498.40
  4. Step 4: Simplify right side
    4,722.31x = 24,876,807.54
  5. Step 5: Solve for x
    x = 24,876,807.54/4,722.31
  6. Step 6: Final answer
    x = 5,267.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.