Home / 1,925.10-2,674.49-1,907.10

Finding the Fourth Proportional to 1,925.10, 2,674.49 and 1,907.10

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Solution

The fourth proportional to 1,925.10, 2,674.49 and 1,907.10 is: 2,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.10 : 2,674.49 = 1,907.10 : x
  2. Step 2: Convert to fraction form
    1,925.10/2,674.49 = 1,907.10/x
  3. Step 3: Cross multiply
    1,925.10x = 2,674.49 × 1,907.10
  4. Step 4: Simplify right side
    1,925.10x = 5,100,510.34
  5. Step 5: Solve for x
    x = 5,100,510.34/1,925.10
  6. Step 6: Final answer
    x = 2,649.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.