Home / 6,071.64-8,376.12-3,712.38

Finding the Fourth Proportional to 6,071.64, 8,376.12 and 3,712.38

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Solution

The fourth proportional to 6,071.64, 8,376.12 and 3,712.38 is: 5,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.64 : 8,376.12 = 3,712.38 : x
  2. Step 2: Convert to fraction form
    6,071.64/8,376.12 = 3,712.38/x
  3. Step 3: Cross multiply
    6,071.64x = 8,376.12 × 3,712.38
  4. Step 4: Simplify right side
    6,071.64x = 31,095,340.37
  5. Step 5: Solve for x
    x = 31,095,340.37/6,071.64
  6. Step 6: Final answer
    x = 5,121.41

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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.