Home / 3,842.18-5,762.62-1,069.12

Finding the Fourth Proportional to 3,842.18, 5,762.62 and 1,069.12

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Solution

The fourth proportional to 3,842.18, 5,762.62 and 1,069.12 is: 1,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.18 : 5,762.62 = 1,069.12 : x
  2. Step 2: Convert to fraction form
    3,842.18/5,762.62 = 1,069.12/x
  3. Step 3: Cross multiply
    3,842.18x = 5,762.62 × 1,069.12
  4. Step 4: Simplify right side
    3,842.18x = 6,160,932.29
  5. Step 5: Solve for x
    x = 6,160,932.29/3,842.18
  6. Step 6: Final answer
    x = 1,603.50

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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.