Home / 5,416.16-7,466.64-3,843.68

Finding the Fourth Proportional to 5,416.16, 7,466.64 and 3,843.68

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Solution

The fourth proportional to 5,416.16, 7,466.64 and 3,843.68 is: 5,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.16 : 7,466.64 = 3,843.68 : x
  2. Step 2: Convert to fraction form
    5,416.16/7,466.64 = 3,843.68/x
  3. Step 3: Cross multiply
    5,416.16x = 7,466.64 × 3,843.68
  4. Step 4: Simplify right side
    5,416.16x = 28,699,374.84
  5. Step 5: Solve for x
    x = 28,699,374.84/5,416.16
  6. Step 6: Final answer
    x = 5,298.84

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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.