Home / 3,693.65-5,539.77-1,228.14

Finding the Fourth Proportional to 3,693.65, 5,539.77 and 1,228.14

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Solution

The fourth proportional to 3,693.65, 5,539.77 and 1,228.14 is: 1,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.65 : 5,539.77 = 1,228.14 : x
  2. Step 2: Convert to fraction form
    3,693.65/5,539.77 = 1,228.14/x
  3. Step 3: Cross multiply
    3,693.65x = 5,539.77 × 1,228.14
  4. Step 4: Simplify right side
    3,693.65x = 6,803,613.13
  5. Step 5: Solve for x
    x = 6,803,613.13/3,693.65
  6. Step 6: Final answer
    x = 1,841.98

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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.