Home / 5,411.37-8,117.19-1,516.08

Finding the Fourth Proportional to 5,411.37, 8,117.19 and 1,516.08

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Solution

The fourth proportional to 5,411.37, 8,117.19 and 1,516.08 is: 2,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.37 : 8,117.19 = 1,516.08 : x
  2. Step 2: Convert to fraction form
    5,411.37/8,117.19 = 1,516.08/x
  3. Step 3: Cross multiply
    5,411.37x = 8,117.19 × 1,516.08
  4. Step 4: Simplify right side
    5,411.37x = 12,306,309.42
  5. Step 5: Solve for x
    x = 12,306,309.42/5,411.37
  6. Step 6: Final answer
    x = 2,274.16

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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.