Home / 6,945.01-9,583.51-3,920.47

Finding the Fourth Proportional to 6,945.01, 9,583.51 and 3,920.47

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Solution

The fourth proportional to 6,945.01, 9,583.51 and 3,920.47 is: 5,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.01 : 9,583.51 = 3,920.47 : x
  2. Step 2: Convert to fraction form
    6,945.01/9,583.51 = 3,920.47/x
  3. Step 3: Cross multiply
    6,945.01x = 9,583.51 × 3,920.47
  4. Step 4: Simplify right side
    6,945.01x = 37,571,863.45
  5. Step 5: Solve for x
    x = 37,571,863.45/6,945.01
  6. Step 6: Final answer
    x = 5,409.91

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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.