Home / 5,161.96-7,122.28-3,037.58

Finding the Fourth Proportional to 5,161.96, 7,122.28 and 3,037.58

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Solution

The fourth proportional to 5,161.96, 7,122.28 and 3,037.58 is: 4,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.96 : 7,122.28 = 3,037.58 : x
  2. Step 2: Convert to fraction form
    5,161.96/7,122.28 = 3,037.58/x
  3. Step 3: Cross multiply
    5,161.96x = 7,122.28 × 3,037.58
  4. Step 4: Simplify right side
    5,161.96x = 21,634,495.28
  5. Step 5: Solve for x
    x = 21,634,495.28/5,161.96
  6. Step 6: Final answer
    x = 4,191.14

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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.