Home / 5,968.12-8,235.18-3,315.28

Finding the Fourth Proportional to 5,968.12, 8,235.18 and 3,315.28

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Solution

The fourth proportional to 5,968.12, 8,235.18 and 3,315.28 is: 4,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.12 : 8,235.18 = 3,315.28 : x
  2. Step 2: Convert to fraction form
    5,968.12/8,235.18 = 3,315.28/x
  3. Step 3: Cross multiply
    5,968.12x = 8,235.18 × 3,315.28
  4. Step 4: Simplify right side
    5,968.12x = 27,301,927.55
  5. Step 5: Solve for x
    x = 27,301,927.55/5,968.12
  6. Step 6: Final answer
    x = 4,574.63

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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.