Home / 7,055.36-10,578.98-2,123.54

Finding the Fourth Proportional to 7,055.36, 10,578.98 and 2,123.54

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Solution

The fourth proportional to 7,055.36, 10,578.98 and 2,123.54 is: 3,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.36 : 10,578.98 = 2,123.54 : x
  2. Step 2: Convert to fraction form
    7,055.36/10,578.98 = 2,123.54/x
  3. Step 3: Cross multiply
    7,055.36x = 10,578.98 × 2,123.54
  4. Step 4: Simplify right side
    7,055.36x = 22,464,839.60
  5. Step 5: Solve for x
    x = 22,464,839.60/7,055.36
  6. Step 6: Final answer
    x = 3,184.08

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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.