Home / 6,551.89-9,804.75-4,087.87

Finding the Fourth Proportional to 6,551.89, 9,804.75 and 4,087.87

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Solution

The fourth proportional to 6,551.89, 9,804.75 and 4,087.87 is: 6,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.89 : 9,804.75 = 4,087.87 : x
  2. Step 2: Convert to fraction form
    6,551.89/9,804.75 = 4,087.87/x
  3. Step 3: Cross multiply
    6,551.89x = 9,804.75 × 4,087.87
  4. Step 4: Simplify right side
    6,551.89x = 40,080,503.54
  5. Step 5: Solve for x
    x = 40,080,503.54/6,551.89
  6. Step 6: Final answer
    x = 6,117.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.