Home / 7,068.36-9,752.58-3,923.76

Finding the Fourth Proportional to 7,068.36, 9,752.58 and 3,923.76

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Solution

The fourth proportional to 7,068.36, 9,752.58 and 3,923.76 is: 5,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.36 : 9,752.58 = 3,923.76 : x
  2. Step 2: Convert to fraction form
    7,068.36/9,752.58 = 3,923.76/x
  3. Step 3: Cross multiply
    7,068.36x = 9,752.58 × 3,923.76
  4. Step 4: Simplify right side
    7,068.36x = 38,266,783.30
  5. Step 5: Solve for x
    x = 38,266,783.30/7,068.36
  6. Step 6: Final answer
    x = 5,413.81

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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.