Home / 4,722.32-7,111.60-4,113.38

Finding the Fourth Proportional to 4,722.32, 7,111.60 and 4,113.38

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Solution

The fourth proportional to 4,722.32, 7,111.60 and 4,113.38 is: 6,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.32 : 7,111.60 = 4,113.38 : x
  2. Step 2: Convert to fraction form
    4,722.32/7,111.60 = 4,113.38/x
  3. Step 3: Cross multiply
    4,722.32x = 7,111.60 × 4,113.38
  4. Step 4: Simplify right side
    4,722.32x = 29,252,692.64
  5. Step 5: Solve for x
    x = 29,252,692.64/4,722.32
  6. Step 6: Final answer
    x = 6,194.56

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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.