Home / 5,254.46-7,881.66-1,556.71

Finding the Fourth Proportional to 5,254.46, 7,881.66 and 1,556.71

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Solution

The fourth proportional to 5,254.46, 7,881.66 and 1,556.71 is: 2,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.46 : 7,881.66 = 1,556.71 : x
  2. Step 2: Convert to fraction form
    5,254.46/7,881.66 = 1,556.71/x
  3. Step 3: Cross multiply
    5,254.46x = 7,881.66 × 1,556.71
  4. Step 4: Simplify right side
    5,254.46x = 12,269,439.23
  5. Step 5: Solve for x
    x = 12,269,439.23/5,254.46
  6. Step 6: Final answer
    x = 2,335.05

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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.