Home / 4,860.36-6,709.92-2,972.36

Finding the Fourth Proportional to 4,860.36, 6,709.92 and 2,972.36

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Solution

The fourth proportional to 4,860.36, 6,709.92 and 2,972.36 is: 4,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.36 : 6,709.92 = 2,972.36 : x
  2. Step 2: Convert to fraction form
    4,860.36/6,709.92 = 2,972.36/x
  3. Step 3: Cross multiply
    4,860.36x = 6,709.92 × 2,972.36
  4. Step 4: Simplify right side
    4,860.36x = 19,944,297.81
  5. Step 5: Solve for x
    x = 19,944,297.81/4,860.36
  6. Step 6: Final answer
    x = 4,103.46

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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.