Home / 6,951.88-10,421.34-3,485.08

Finding the Fourth Proportional to 6,951.88, 10,421.34 and 3,485.08

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Solution

The fourth proportional to 6,951.88, 10,421.34 and 3,485.08 is: 5,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.88 : 10,421.34 = 3,485.08 : x
  2. Step 2: Convert to fraction form
    6,951.88/10,421.34 = 3,485.08/x
  3. Step 3: Cross multiply
    6,951.88x = 10,421.34 × 3,485.08
  4. Step 4: Simplify right side
    6,951.88x = 36,319,203.61
  5. Step 5: Solve for x
    x = 36,319,203.61/6,951.88
  6. Step 6: Final answer
    x = 5,224.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.