Home / 4,823.19-6,660.36-3,642.21

Finding the Fourth Proportional to 4,823.19, 6,660.36 and 3,642.21

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Solution

The fourth proportional to 4,823.19, 6,660.36 and 3,642.21 is: 5,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.19 : 6,660.36 = 3,642.21 : x
  2. Step 2: Convert to fraction form
    4,823.19/6,660.36 = 3,642.21/x
  3. Step 3: Cross multiply
    4,823.19x = 6,660.36 × 3,642.21
  4. Step 4: Simplify right side
    4,823.19x = 24,258,429.80
  5. Step 5: Solve for x
    x = 24,258,429.80/4,823.19
  6. Step 6: Final answer
    x = 5,029.54

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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.