Home / 4,860.81-7,290.73-1,740.69

Finding the Fourth Proportional to 4,860.81, 7,290.73 and 1,740.69

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Solution

The fourth proportional to 4,860.81, 7,290.73 and 1,740.69 is: 2,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.81 : 7,290.73 = 1,740.69 : x
  2. Step 2: Convert to fraction form
    4,860.81/7,290.73 = 1,740.69/x
  3. Step 3: Cross multiply
    4,860.81x = 7,290.73 × 1,740.69
  4. Step 4: Simplify right side
    4,860.81x = 12,690,896.45
  5. Step 5: Solve for x
    x = 12,690,896.45/4,860.81
  6. Step 6: Final answer
    x = 2,610.86

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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.