Home / 3,875.09-5,347.26-2,196.56

Finding the Fourth Proportional to 3,875.09, 5,347.26 and 2,196.56

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Solution

The fourth proportional to 3,875.09, 5,347.26 and 2,196.56 is: 3,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.09 : 5,347.26 = 2,196.56 : x
  2. Step 2: Convert to fraction form
    3,875.09/5,347.26 = 2,196.56/x
  3. Step 3: Cross multiply
    3,875.09x = 5,347.26 × 2,196.56
  4. Step 4: Simplify right side
    3,875.09x = 11,745,550.69
  5. Step 5: Solve for x
    x = 11,745,550.69/3,875.09
  6. Step 6: Final answer
    x = 3,031.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.