Home / 1,125.09-1,551.84-1,032.14

Finding the Fourth Proportional to 1,125.09, 1,551.84 and 1,032.14

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Solution

The fourth proportional to 1,125.09, 1,551.84 and 1,032.14 is: 1,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.09 : 1,551.84 = 1,032.14 : x
  2. Step 2: Convert to fraction form
    1,125.09/1,551.84 = 1,032.14/x
  3. Step 3: Cross multiply
    1,125.09x = 1,551.84 × 1,032.14
  4. Step 4: Simplify right side
    1,125.09x = 1,601,721.95
  5. Step 5: Solve for x
    x = 1,601,721.95/1,125.09
  6. Step 6: Final answer
    x = 1,423.64

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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.