Home / 5,885.24-8,120.48-3,368.12

Finding the Fourth Proportional to 5,885.24, 8,120.48 and 3,368.12

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Solution

The fourth proportional to 5,885.24, 8,120.48 and 3,368.12 is: 4,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.24 : 8,120.48 = 3,368.12 : x
  2. Step 2: Convert to fraction form
    5,885.24/8,120.48 = 3,368.12/x
  3. Step 3: Cross multiply
    5,885.24x = 8,120.48 × 3,368.12
  4. Step 4: Simplify right side
    5,885.24x = 27,350,693.65
  5. Step 5: Solve for x
    x = 27,350,693.65/5,885.24
  6. Step 6: Final answer
    x = 4,647.34

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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.