Home / 7,100.10-10,649.78-2,717.22

Finding the Fourth Proportional to 7,100.10, 10,649.78 and 2,717.22

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Solution

The fourth proportional to 7,100.10, 10,649.78 and 2,717.22 is: 4,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.10 : 10,649.78 = 2,717.22 : x
  2. Step 2: Convert to fraction form
    7,100.10/10,649.78 = 2,717.22/x
  3. Step 3: Cross multiply
    7,100.10x = 10,649.78 × 2,717.22
  4. Step 4: Simplify right side
    7,100.10x = 28,937,795.21
  5. Step 5: Solve for x
    x = 28,937,795.21/7,100.10
  6. Step 6: Final answer
    x = 4,075.69

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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.