Home / 5,753.63-7,940.43-3,515.93

Finding the Fourth Proportional to 5,753.63, 7,940.43 and 3,515.93

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Solution

The fourth proportional to 5,753.63, 7,940.43 and 3,515.93 is: 4,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.63 : 7,940.43 = 3,515.93 : x
  2. Step 2: Convert to fraction form
    5,753.63/7,940.43 = 3,515.93/x
  3. Step 3: Cross multiply
    5,753.63x = 7,940.43 × 3,515.93
  4. Step 4: Simplify right side
    5,753.63x = 27,918,015.90
  5. Step 5: Solve for x
    x = 27,918,015.90/5,753.63
  6. Step 6: Final answer
    x = 4,852.24

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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.