Home / 2,125.28-2,933.16-1,193.96

Finding the Fourth Proportional to 2,125.28, 2,933.16 and 1,193.96

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Solution

The fourth proportional to 2,125.28, 2,933.16 and 1,193.96 is: 1,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.28 : 2,933.16 = 1,193.96 : x
  2. Step 2: Convert to fraction form
    2,125.28/2,933.16 = 1,193.96/x
  3. Step 3: Cross multiply
    2,125.28x = 2,933.16 × 1,193.96
  4. Step 4: Simplify right side
    2,125.28x = 3,502,075.71
  5. Step 5: Solve for x
    x = 3,502,075.71/2,125.28
  6. Step 6: Final answer
    x = 1,647.82

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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.