Home / 7,470.27-10,307.73-4,485.54

Finding the Fourth Proportional to 7,470.27, 10,307.73 and 4,485.54

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Solution

The fourth proportional to 7,470.27, 10,307.73 and 4,485.54 is: 6,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.27 : 10,307.73 = 4,485.54 : x
  2. Step 2: Convert to fraction form
    7,470.27/10,307.73 = 4,485.54/x
  3. Step 3: Cross multiply
    7,470.27x = 10,307.73 × 4,485.54
  4. Step 4: Simplify right side
    7,470.27x = 46,235,735.22
  5. Step 5: Solve for x
    x = 46,235,735.22/7,470.27
  6. Step 6: Final answer
    x = 6,189.30

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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.