Home / 7,087.81-9,775.83-4,693.54

Finding the Fourth Proportional to 7,087.81, 9,775.83 and 4,693.54

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Solution

The fourth proportional to 7,087.81, 9,775.83 and 4,693.54 is: 6,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.81 : 9,775.83 = 4,693.54 : x
  2. Step 2: Convert to fraction form
    7,087.81/9,775.83 = 4,693.54/x
  3. Step 3: Cross multiply
    7,087.81x = 9,775.83 × 4,693.54
  4. Step 4: Simplify right side
    7,087.81x = 45,883,249.14
  5. Step 5: Solve for x
    x = 45,883,249.14/7,087.81
  6. Step 6: Final answer
    x = 6,473.54

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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.