Home / 7,448.03-10,278.46-4,091.06

Finding the Fourth Proportional to 7,448.03, 10,278.46 and 4,091.06

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Solution

The fourth proportional to 7,448.03, 10,278.46 and 4,091.06 is: 5,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.03 : 10,278.46 = 4,091.06 : x
  2. Step 2: Convert to fraction form
    7,448.03/10,278.46 = 4,091.06/x
  3. Step 3: Cross multiply
    7,448.03x = 10,278.46 × 4,091.06
  4. Step 4: Simplify right side
    7,448.03x = 42,049,752.30
  5. Step 5: Solve for x
    x = 42,049,752.30/7,448.03
  6. Step 6: Final answer
    x = 5,645.76

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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.