Home / 4,319.88-6,438.72-4,073.82

Finding the Fourth Proportional to 4,319.88, 6,438.72 and 4,073.82

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Solution

The fourth proportional to 4,319.88, 6,438.72 and 4,073.82 is: 6,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.88 : 6,438.72 = 4,073.82 : x
  2. Step 2: Convert to fraction form
    4,319.88/6,438.72 = 4,073.82/x
  3. Step 3: Cross multiply
    4,319.88x = 6,438.72 × 4,073.82
  4. Step 4: Simplify right side
    4,319.88x = 26,230,186.31
  5. Step 5: Solve for x
    x = 26,230,186.31/4,319.88
  6. Step 6: Final answer
    x = 6,071.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.