Home / 7,026.90-9,698.09-4,042.66

Finding the Fourth Proportional to 7,026.90, 9,698.09 and 4,042.66

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Solution

The fourth proportional to 7,026.90, 9,698.09 and 4,042.66 is: 5,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.90 : 9,698.09 = 4,042.66 : x
  2. Step 2: Convert to fraction form
    7,026.90/9,698.09 = 4,042.66/x
  3. Step 3: Cross multiply
    7,026.90x = 9,698.09 × 4,042.66
  4. Step 4: Simplify right side
    7,026.90x = 39,206,060.31
  5. Step 5: Solve for x
    x = 39,206,060.31/7,026.90
  6. Step 6: Final answer
    x = 5,579.42

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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.