Home / 5,903.90-8,147.13-3,384.26

Finding the Fourth Proportional to 5,903.90, 8,147.13 and 3,384.26

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Solution

The fourth proportional to 5,903.90, 8,147.13 and 3,384.26 is: 4,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.90 : 8,147.13 = 3,384.26 : x
  2. Step 2: Convert to fraction form
    5,903.90/8,147.13 = 3,384.26/x
  3. Step 3: Cross multiply
    5,903.90x = 8,147.13 × 3,384.26
  4. Step 4: Simplify right side
    5,903.90x = 27,571,965.44
  5. Step 5: Solve for x
    x = 27,571,965.44/5,903.90
  6. Step 6: Final answer
    x = 4,670.13

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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.