Home / 4,316.63-6,474.94-1,238.63

Finding the Fourth Proportional to 4,316.63, 6,474.94 and 1,238.63

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Solution

The fourth proportional to 4,316.63, 6,474.94 and 1,238.63 is: 1,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.63 : 6,474.94 = 1,238.63 : x
  2. Step 2: Convert to fraction form
    4,316.63/6,474.94 = 1,238.63/x
  3. Step 3: Cross multiply
    4,316.63x = 6,474.94 × 1,238.63
  4. Step 4: Simplify right side
    4,316.63x = 8,020,019.46
  5. Step 5: Solve for x
    x = 8,020,019.46/4,316.63
  6. Step 6: Final answer
    x = 1,857.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.