Home / 7,061.96-10,591.74-1,868.36

Finding the Fourth Proportional to 7,061.96, 10,591.74 and 1,868.36

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Solution

The fourth proportional to 7,061.96, 10,591.74 and 1,868.36 is: 2,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061.96 : 10,591.74 = 1,868.36 : x
  2. Step 2: Convert to fraction form
    7,061.96/10,591.74 = 1,868.36/x
  3. Step 3: Cross multiply
    7,061.96x = 10,591.74 × 1,868.36
  4. Step 4: Simplify right side
    7,061.96x = 19,789,183.35
  5. Step 5: Solve for x
    x = 19,789,183.35/7,061.96
  6. Step 6: Final answer
    x = 2,802.22

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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.