Home / 4,995.90-7,476.30-4,107.69

Finding the Fourth Proportional to 4,995.90, 7,476.30 and 4,107.69

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Solution

The fourth proportional to 4,995.90, 7,476.30 and 4,107.69 is: 6,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.90 : 7,476.30 = 4,107.69 : x
  2. Step 2: Convert to fraction form
    4,995.90/7,476.30 = 4,107.69/x
  3. Step 3: Cross multiply
    4,995.90x = 7,476.30 × 4,107.69
  4. Step 4: Simplify right side
    4,995.90x = 30,710,322.75
  5. Step 5: Solve for x
    x = 30,710,322.75/4,995.90
  6. Step 6: Final answer
    x = 6,147.11

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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.