Home / 7,054.15-9,734.16-3,910.36

Finding the Fourth Proportional to 7,054.15, 9,734.16 and 3,910.36

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Solution

The fourth proportional to 7,054.15, 9,734.16 and 3,910.36 is: 5,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.15 : 9,734.16 = 3,910.36 : x
  2. Step 2: Convert to fraction form
    7,054.15/9,734.16 = 3,910.36/x
  3. Step 3: Cross multiply
    7,054.15x = 9,734.16 × 3,910.36
  4. Step 4: Simplify right side
    7,054.15x = 38,064,069.90
  5. Step 5: Solve for x
    x = 38,064,069.90/7,054.15
  6. Step 6: Final answer
    x = 5,395.98

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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.