Home / 7,029.92-9,700.98-3,886.04

Finding the Fourth Proportional to 7,029.92, 9,700.98 and 3,886.04

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Solution

The fourth proportional to 7,029.92, 9,700.98 and 3,886.04 is: 5,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.92 : 9,700.98 = 3,886.04 : x
  2. Step 2: Convert to fraction form
    7,029.92/9,700.98 = 3,886.04/x
  3. Step 3: Cross multiply
    7,029.92x = 9,700.98 × 3,886.04
  4. Step 4: Simplify right side
    7,029.92x = 37,698,396.32
  5. Step 5: Solve for x
    x = 37,698,396.32/7,029.92
  6. Step 6: Final answer
    x = 5,362.56

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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.