Home / 7,029.75-9,701.06-3,886.14

Finding the Fourth Proportional to 7,029.75, 9,701.06 and 3,886.14

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Solution

The fourth proportional to 7,029.75, 9,701.06 and 3,886.14 is: 5,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.75 : 9,701.06 = 3,886.14 : x
  2. Step 2: Convert to fraction form
    7,029.75/9,701.06 = 3,886.14/x
  3. Step 3: Cross multiply
    7,029.75x = 9,701.06 × 3,886.14
  4. Step 4: Simplify right side
    7,029.75x = 37,699,657.88
  5. Step 5: Solve for x
    x = 37,699,657.88/7,029.75
  6. Step 6: Final answer
    x = 5,362.87

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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.