Home / 4,860.41-7,292.43-2,087.78

Finding the Fourth Proportional to 4,860.41, 7,292.43 and 2,087.78

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Solution

The fourth proportional to 4,860.41, 7,292.43 and 2,087.78 is: 3,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.41 : 7,292.43 = 2,087.78 : x
  2. Step 2: Convert to fraction form
    4,860.41/7,292.43 = 2,087.78/x
  3. Step 3: Cross multiply
    4,860.41x = 7,292.43 × 2,087.78
  4. Step 4: Simplify right side
    4,860.41x = 15,224,953.04
  5. Step 5: Solve for x
    x = 15,224,953.04/4,860.41
  6. Step 6: Final answer
    x = 3,132.45

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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.