Home / 4,780.88-7,174.08-2,007.32

Finding the Fourth Proportional to 4,780.88, 7,174.08 and 2,007.32

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Solution

The fourth proportional to 4,780.88, 7,174.08 and 2,007.32 is: 3,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.88 : 7,174.08 = 2,007.32 : x
  2. Step 2: Convert to fraction form
    4,780.88/7,174.08 = 2,007.32/x
  3. Step 3: Cross multiply
    4,780.88x = 7,174.08 × 2,007.32
  4. Step 4: Simplify right side
    4,780.88x = 14,400,674.27
  5. Step 5: Solve for x
    x = 14,400,674.27/4,780.88
  6. Step 6: Final answer
    x = 3,012.14

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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.