Home / 6,071.16-8,378.07-3,418.51

Finding the Fourth Proportional to 6,071.16, 8,378.07 and 3,418.51

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Solution

The fourth proportional to 6,071.16, 8,378.07 and 3,418.51 is: 4,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.16 : 8,378.07 = 3,418.51 : x
  2. Step 2: Convert to fraction form
    6,071.16/8,378.07 = 3,418.51/x
  3. Step 3: Cross multiply
    6,071.16x = 8,378.07 × 3,418.51
  4. Step 4: Simplify right side
    6,071.16x = 28,640,516.08
  5. Step 5: Solve for x
    x = 28,640,516.08/6,071.16
  6. Step 6: Final answer
    x = 4,717.47

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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.