Home / 1,708.02-2,356.99-961.96

Finding the Fourth Proportional to 1,708.02, 2,356.99 and 961.96

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Solution

The fourth proportional to 1,708.02, 2,356.99 and 961.96 is: 1,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.02 : 2,356.99 = 961.96 : x
  2. Step 2: Convert to fraction form
    1,708.02/2,356.99 = 961.96/x
  3. Step 3: Cross multiply
    1,708.02x = 2,356.99 × 961.96
  4. Step 4: Simplify right side
    1,708.02x = 2,267,330.10
  5. Step 5: Solve for x
    x = 2,267,330.10/1,708.02
  6. Step 6: Final answer
    x = 1,327.46

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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.