Home / 7,005.35-9,667.42-4,021.10

Finding the Fourth Proportional to 7,005.35, 9,667.42 and 4,021.10

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Solution

The fourth proportional to 7,005.35, 9,667.42 and 4,021.10 is: 5,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.35 : 9,667.42 = 4,021.10 : x
  2. Step 2: Convert to fraction form
    7,005.35/9,667.42 = 4,021.10/x
  3. Step 3: Cross multiply
    7,005.35x = 9,667.42 × 4,021.10
  4. Step 4: Simplify right side
    7,005.35x = 38,873,676.68
  5. Step 5: Solve for x
    x = 38,873,676.68/7,005.35
  6. Step 6: Final answer
    x = 5,549.15

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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.