Home / 5,078.07-7,007.85-3,588.62

Finding the Fourth Proportional to 5,078.07, 7,007.85 and 3,588.62

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Solution

The fourth proportional to 5,078.07, 7,007.85 and 3,588.62 is: 4,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.07 : 7,007.85 = 3,588.62 : x
  2. Step 2: Convert to fraction form
    5,078.07/7,007.85 = 3,588.62/x
  3. Step 3: Cross multiply
    5,078.07x = 7,007.85 × 3,588.62
  4. Step 4: Simplify right side
    5,078.07x = 25,148,475.63
  5. Step 5: Solve for x
    x = 25,148,475.63/5,078.07
  6. Step 6: Final answer
    x = 4,952.37

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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.