Home / 4,860.84-7,290.81-2,087.01

Finding the Fourth Proportional to 4,860.84, 7,290.81 and 2,087.01

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Solution

The fourth proportional to 4,860.84, 7,290.81 and 2,087.01 is: 3,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.84 : 7,290.81 = 2,087.01 : x
  2. Step 2: Convert to fraction form
    4,860.84/7,290.81 = 2,087.01/x
  3. Step 3: Cross multiply
    4,860.84x = 7,290.81 × 2,087.01
  4. Step 4: Simplify right side
    4,860.84x = 15,215,993.38
  5. Step 5: Solve for x
    x = 15,215,993.38/4,860.84
  6. Step 6: Final answer
    x = 3,130.32

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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.