Home / 6,705.01-9,252.60-3,720.79

Finding the Fourth Proportional to 6,705.01, 9,252.60 and 3,720.79

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Solution

The fourth proportional to 6,705.01, 9,252.60 and 3,720.79 is: 5,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.01 : 9,252.60 = 3,720.79 : x
  2. Step 2: Convert to fraction form
    6,705.01/9,252.60 = 3,720.79/x
  3. Step 3: Cross multiply
    6,705.01x = 9,252.60 × 3,720.79
  4. Step 4: Simplify right side
    6,705.01x = 34,426,981.55
  5. Step 5: Solve for x
    x = 34,426,981.55/6,705.01
  6. Step 6: Final answer
    x = 5,134.52

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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.