Home / 1,693.68-2,535.66-1,075.56

Finding the Fourth Proportional to 1,693.68, 2,535.66 and 1,075.56

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Solution

The fourth proportional to 1,693.68, 2,535.66 and 1,075.56 is: 1,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.68 : 2,535.66 = 1,075.56 : x
  2. Step 2: Convert to fraction form
    1,693.68/2,535.66 = 1,075.56/x
  3. Step 3: Cross multiply
    1,693.68x = 2,535.66 × 1,075.56
  4. Step 4: Simplify right side
    1,693.68x = 2,727,254.47
  5. Step 5: Solve for x
    x = 2,727,254.47/1,693.68
  6. Step 6: Final answer
    x = 1,610.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.