Home / 4,988.26-6,883.78-2,893.60

Finding the Fourth Proportional to 4,988.26, 6,883.78 and 2,893.60

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Solution

The fourth proportional to 4,988.26, 6,883.78 and 2,893.60 is: 3,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.26 : 6,883.78 = 2,893.60 : x
  2. Step 2: Convert to fraction form
    4,988.26/6,883.78 = 2,893.60/x
  3. Step 3: Cross multiply
    4,988.26x = 6,883.78 × 2,893.60
  4. Step 4: Simplify right side
    4,988.26x = 19,918,905.81
  5. Step 5: Solve for x
    x = 19,918,905.81/4,988.26
  6. Step 6: Final answer
    x = 3,993.16

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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.