Home / 1,907.10-2,632.70-1,435.18

Finding the Fourth Proportional to 1,907.10, 2,632.70 and 1,435.18

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Solution

The fourth proportional to 1,907.10, 2,632.70 and 1,435.18 is: 1,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.10 : 2,632.70 = 1,435.18 : x
  2. Step 2: Convert to fraction form
    1,907.10/2,632.70 = 1,435.18/x
  3. Step 3: Cross multiply
    1,907.10x = 2,632.70 × 1,435.18
  4. Step 4: Simplify right side
    1,907.10x = 3,778,398.39
  5. Step 5: Solve for x
    x = 3,778,398.39/1,907.10
  6. Step 6: Final answer
    x = 1,981.23

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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.