Home / 5,411.64-8,117.76-1,516.35

Finding the Fourth Proportional to 5,411.64, 8,117.76 and 1,516.35

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Solution

The fourth proportional to 5,411.64, 8,117.76 and 1,516.35 is: 2,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.64 : 8,117.76 = 1,516.35 : x
  2. Step 2: Convert to fraction form
    5,411.64/8,117.76 = 1,516.35/x
  3. Step 3: Cross multiply
    5,411.64x = 8,117.76 × 1,516.35
  4. Step 4: Simplify right side
    5,411.64x = 12,309,321.00
  5. Step 5: Solve for x
    x = 12,309,321.00/5,411.64
  6. Step 6: Final answer
    x = 2,274.60

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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.