Home / 4,790.45-6,610.86-2,666.07

Finding the Fourth Proportional to 4,790.45, 6,610.86 and 2,666.07

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Solution

The fourth proportional to 4,790.45, 6,610.86 and 2,666.07 is: 3,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.45 : 6,610.86 = 2,666.07 : x
  2. Step 2: Convert to fraction form
    4,790.45/6,610.86 = 2,666.07/x
  3. Step 3: Cross multiply
    4,790.45x = 6,610.86 × 2,666.07
  4. Step 4: Simplify right side
    4,790.45x = 17,624,975.80
  5. Step 5: Solve for x
    x = 17,624,975.80/4,790.45
  6. Step 6: Final answer
    x = 3,679.19

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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.