Home / 4,474.81-6,711.70-1,188.16

Finding the Fourth Proportional to 4,474.81, 6,711.70 and 1,188.16

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Solution

The fourth proportional to 4,474.81, 6,711.70 and 1,188.16 is: 1,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.81 : 6,711.70 = 1,188.16 : x
  2. Step 2: Convert to fraction form
    4,474.81/6,711.70 = 1,188.16/x
  3. Step 3: Cross multiply
    4,474.81x = 6,711.70 × 1,188.16
  4. Step 4: Simplify right side
    4,474.81x = 7,974,542.36
  5. Step 5: Solve for x
    x = 7,974,542.36/4,474.81
  6. Step 6: Final answer
    x = 1,782.10

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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.