Home / 4,928.48-6,801.40-2,720.48

Finding the Fourth Proportional to 4,928.48, 6,801.40 and 2,720.48

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Solution

The fourth proportional to 4,928.48, 6,801.40 and 2,720.48 is: 3,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.48 : 6,801.40 = 2,720.48 : x
  2. Step 2: Convert to fraction form
    4,928.48/6,801.40 = 2,720.48/x
  3. Step 3: Cross multiply
    4,928.48x = 6,801.40 × 2,720.48
  4. Step 4: Simplify right side
    4,928.48x = 18,503,072.67
  5. Step 5: Solve for x
    x = 18,503,072.67/4,928.48
  6. Step 6: Final answer
    x = 3,754.32

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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.