Home / 4,178.37-5,766.75-2,386.47

Finding the Fourth Proportional to 4,178.37, 5,766.75 and 2,386.47

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Solution

The fourth proportional to 4,178.37, 5,766.75 and 2,386.47 is: 3,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.37 : 5,766.75 = 2,386.47 : x
  2. Step 2: Convert to fraction form
    4,178.37/5,766.75 = 2,386.47/x
  3. Step 3: Cross multiply
    4,178.37x = 5,766.75 × 2,386.47
  4. Step 4: Simplify right side
    4,178.37x = 13,762,175.87
  5. Step 5: Solve for x
    x = 13,762,175.87/4,178.37
  6. Step 6: Final answer
    x = 3,293.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.