Home / 4,888.28-6,745.74-2,792.12

Finding the Fourth Proportional to 4,888.28, 6,745.74 and 2,792.12

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Solution

The fourth proportional to 4,888.28, 6,745.74 and 2,792.12 is: 3,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.28 : 6,745.74 = 2,792.12 : x
  2. Step 2: Convert to fraction form
    4,888.28/6,745.74 = 2,792.12/x
  3. Step 3: Cross multiply
    4,888.28x = 6,745.74 × 2,792.12
  4. Step 4: Simplify right side
    4,888.28x = 18,834,915.57
  5. Step 5: Solve for x
    x = 18,834,915.57/4,888.28
  6. Step 6: Final answer
    x = 3,853.08

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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.