Home / 3,416.34-5,124.78-1,684.02

Finding the Fourth Proportional to 3,416.34, 5,124.78 and 1,684.02

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Solution

The fourth proportional to 3,416.34, 5,124.78 and 1,684.02 is: 2,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.34 : 5,124.78 = 1,684.02 : x
  2. Step 2: Convert to fraction form
    3,416.34/5,124.78 = 1,684.02/x
  3. Step 3: Cross multiply
    3,416.34x = 5,124.78 × 1,684.02
  4. Step 4: Simplify right side
    3,416.34x = 8,630,232.02
  5. Step 5: Solve for x
    x = 8,630,232.02/3,416.34
  6. Step 6: Final answer
    x = 2,526.16

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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.