Home / 7,090.48-9,784.92-4,107.16

Finding the Fourth Proportional to 7,090.48, 9,784.92 and 4,107.16

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Solution

The fourth proportional to 7,090.48, 9,784.92 and 4,107.16 is: 5,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.48 : 9,784.92 = 4,107.16 : x
  2. Step 2: Convert to fraction form
    7,090.48/9,784.92 = 4,107.16/x
  3. Step 3: Cross multiply
    7,090.48x = 9,784.92 × 4,107.16
  4. Step 4: Simplify right side
    7,090.48x = 40,188,232.03
  5. Step 5: Solve for x
    x = 40,188,232.03/7,090.48
  6. Step 6: Final answer
    x = 5,667.91

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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.