Home / 7,079.70-9,771.24-4,095.06

Finding the Fourth Proportional to 7,079.70, 9,771.24 and 4,095.06

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Solution

The fourth proportional to 7,079.70, 9,771.24 and 4,095.06 is: 5,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.70 : 9,771.24 = 4,095.06 : x
  2. Step 2: Convert to fraction form
    7,079.70/9,771.24 = 4,095.06/x
  3. Step 3: Cross multiply
    7,079.70x = 9,771.24 × 4,095.06
  4. Step 4: Simplify right side
    7,079.70x = 40,013,814.07
  5. Step 5: Solve for x
    x = 40,013,814.07/7,079.70
  6. Step 6: Final answer
    x = 5,651.91

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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.