Home / 5,253.81-7,882.26-1,556.15

Finding the Fourth Proportional to 5,253.81, 7,882.26 and 1,556.15

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Solution

The fourth proportional to 5,253.81, 7,882.26 and 1,556.15 is: 2,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.81 : 7,882.26 = 1,556.15 : x
  2. Step 2: Convert to fraction form
    5,253.81/7,882.26 = 1,556.15/x
  3. Step 3: Cross multiply
    5,253.81x = 7,882.26 × 1,556.15
  4. Step 4: Simplify right side
    5,253.81x = 12,265,939.49
  5. Step 5: Solve for x
    x = 12,265,939.49/5,253.81
  6. Step 6: Final answer
    x = 2,334.68

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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.