Home / 4,620.42-6,931.85-1,698.75

Finding the Fourth Proportional to 4,620.42, 6,931.85 and 1,698.75

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Solution

The fourth proportional to 4,620.42, 6,931.85 and 1,698.75 is: 2,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.42 : 6,931.85 = 1,698.75 : x
  2. Step 2: Convert to fraction form
    4,620.42/6,931.85 = 1,698.75/x
  3. Step 3: Cross multiply
    4,620.42x = 6,931.85 × 1,698.75
  4. Step 4: Simplify right side
    4,620.42x = 11,775,471.69
  5. Step 5: Solve for x
    x = 11,775,471.69/4,620.42
  6. Step 6: Final answer
    x = 2,548.57

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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.