Home / 4,155.81-6,234.74-1,234.11

Finding the Fourth Proportional to 4,155.81, 6,234.74 and 1,234.11

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Solution

The fourth proportional to 4,155.81, 6,234.74 and 1,234.11 is: 1,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.81 : 6,234.74 = 1,234.11 : x
  2. Step 2: Convert to fraction form
    4,155.81/6,234.74 = 1,234.11/x
  3. Step 3: Cross multiply
    4,155.81x = 6,234.74 × 1,234.11
  4. Step 4: Simplify right side
    4,155.81x = 7,694,354.98
  5. Step 5: Solve for x
    x = 7,694,354.98/4,155.81
  6. Step 6: Final answer
    x = 1,851.47

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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.