Home / 7,072.56-10,608.82-1,807.57

Finding the Fourth Proportional to 7,072.56, 10,608.82 and 1,807.57

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Solution

The fourth proportional to 7,072.56, 10,608.82 and 1,807.57 is: 2,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.56 : 10,608.82 = 1,807.57 : x
  2. Step 2: Convert to fraction form
    7,072.56/10,608.82 = 1,807.57/x
  3. Step 3: Cross multiply
    7,072.56x = 10,608.82 × 1,807.57
  4. Step 4: Simplify right side
    7,072.56x = 19,176,193.51
  5. Step 5: Solve for x
    x = 19,176,193.51/7,072.56
  6. Step 6: Final answer
    x = 2,711.35

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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.