Home / 3,015.16-4,161.11-1,756.22

Finding the Fourth Proportional to 3,015.16, 4,161.11 and 1,756.22

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Solution

The fourth proportional to 3,015.16, 4,161.11 and 1,756.22 is: 2,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.16 : 4,161.11 = 1,756.22 : x
  2. Step 2: Convert to fraction form
    3,015.16/4,161.11 = 1,756.22/x
  3. Step 3: Cross multiply
    3,015.16x = 4,161.11 × 1,756.22
  4. Step 4: Simplify right side
    3,015.16x = 7,307,795.02
  5. Step 5: Solve for x
    x = 7,307,795.02/3,015.16
  6. Step 6: Final answer
    x = 2,423.69

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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.