Home / 3,804.75-5,708.94-3,312.06

Finding the Fourth Proportional to 3,804.75, 5,708.94 and 3,312.06

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Solution

The fourth proportional to 3,804.75, 5,708.94 and 3,312.06 is: 4,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.75 : 5,708.94 = 3,312.06 : x
  2. Step 2: Convert to fraction form
    3,804.75/5,708.94 = 3,312.06/x
  3. Step 3: Cross multiply
    3,804.75x = 5,708.94 × 3,312.06
  4. Step 4: Simplify right side
    3,804.75x = 18,908,351.82
  5. Step 5: Solve for x
    x = 18,908,351.82/3,804.75
  6. Step 6: Final answer
    x = 4,969.67

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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.