Home / 1,634.18-2,255.65-1,075.07

Finding the Fourth Proportional to 1,634.18, 2,255.65 and 1,075.07

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Solution

The fourth proportional to 1,634.18, 2,255.65 and 1,075.07 is: 1,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.18 : 2,255.65 = 1,075.07 : x
  2. Step 2: Convert to fraction form
    1,634.18/2,255.65 = 1,075.07/x
  3. Step 3: Cross multiply
    1,634.18x = 2,255.65 × 1,075.07
  4. Step 4: Simplify right side
    1,634.18x = 2,424,984.60
  5. Step 5: Solve for x
    x = 2,424,984.60/1,634.18
  6. Step 6: Final answer
    x = 1,483.92

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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.