Home / 6,090.66-8,405.36-3,438.06

Finding the Fourth Proportional to 6,090.66, 8,405.36 and 3,438.06

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Solution

The fourth proportional to 6,090.66, 8,405.36 and 3,438.06 is: 4,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.66 : 8,405.36 = 3,438.06 : x
  2. Step 2: Convert to fraction form
    6,090.66/8,405.36 = 3,438.06/x
  3. Step 3: Cross multiply
    6,090.66x = 8,405.36 × 3,438.06
  4. Step 4: Simplify right side
    6,090.66x = 28,898,132.00
  5. Step 5: Solve for x
    x = 28,898,132.00/6,090.66
  6. Step 6: Final answer
    x = 4,744.66

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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.