Home / 7,091.10-9,785.79-4,440.06

Finding the Fourth Proportional to 7,091.10, 9,785.79 and 4,440.06

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Solution

The fourth proportional to 7,091.10, 9,785.79 and 4,440.06 is: 6,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.10 : 9,785.79 = 4,440.06 : x
  2. Step 2: Convert to fraction form
    7,091.10/9,785.79 = 4,440.06/x
  3. Step 3: Cross multiply
    7,091.10x = 9,785.79 × 4,440.06
  4. Step 4: Simplify right side
    7,091.10x = 43,449,494.75
  5. Step 5: Solve for x
    x = 43,449,494.75/7,091.10
  6. Step 6: Final answer
    x = 6,127.33

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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.