Home / 7,110.45-9,810.82-4,277.07

Finding the Fourth Proportional to 7,110.45, 9,810.82 and 4,277.07

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Solution

The fourth proportional to 7,110.45, 9,810.82 and 4,277.07 is: 5,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.45 : 9,810.82 = 4,277.07 : x
  2. Step 2: Convert to fraction form
    7,110.45/9,810.82 = 4,277.07/x
  3. Step 3: Cross multiply
    7,110.45x = 9,810.82 × 4,277.07
  4. Step 4: Simplify right side
    7,110.45x = 41,961,542.51
  5. Step 5: Solve for x
    x = 41,961,542.51/7,110.45
  6. Step 6: Final answer
    x = 5,901.39

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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.