Home / 5,283.70-7,291.53-2,893.64

Finding the Fourth Proportional to 5,283.70, 7,291.53 and 2,893.64

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Solution

The fourth proportional to 5,283.70, 7,291.53 and 2,893.64 is: 3,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.70 : 7,291.53 = 2,893.64 : x
  2. Step 2: Convert to fraction form
    5,283.70/7,291.53 = 2,893.64/x
  3. Step 3: Cross multiply
    5,283.70x = 7,291.53 × 2,893.64
  4. Step 4: Simplify right side
    5,283.70x = 21,099,026.41
  5. Step 5: Solve for x
    x = 21,099,026.41/5,283.70
  6. Step 6: Final answer
    x = 3,993.23

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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.