Home / 7,358.98-11,039.19-2,740.90

Finding the Fourth Proportional to 7,358.98, 11,039.19 and 2,740.90

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Solution

The fourth proportional to 7,358.98, 11,039.19 and 2,740.90 is: 4,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.98 : 11,039.19 = 2,740.90 : x
  2. Step 2: Convert to fraction form
    7,358.98/11,039.19 = 2,740.90/x
  3. Step 3: Cross multiply
    7,358.98x = 11,039.19 × 2,740.90
  4. Step 4: Simplify right side
    7,358.98x = 30,257,315.87
  5. Step 5: Solve for x
    x = 30,257,315.87/7,358.98
  6. Step 6: Final answer
    x = 4,111.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.