Home / 6,191.43-9,283.20-3,420.01

Finding the Fourth Proportional to 6,191.43, 9,283.20 and 3,420.01

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Solution

The fourth proportional to 6,191.43, 9,283.20 and 3,420.01 is: 5,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.43 : 9,283.20 = 3,420.01 : x
  2. Step 2: Convert to fraction form
    6,191.43/9,283.20 = 3,420.01/x
  3. Step 3: Cross multiply
    6,191.43x = 9,283.20 × 3,420.01
  4. Step 4: Simplify right side
    6,191.43x = 31,748,636.83
  5. Step 5: Solve for x
    x = 31,748,636.83/6,191.43
  6. Step 6: Final answer
    x = 5,127.84

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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.