Home / 1,708.65-2,357.78-962.44

Finding the Fourth Proportional to 1,708.65, 2,357.78 and 962.44

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Solution

The fourth proportional to 1,708.65, 2,357.78 and 962.44 is: 1,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.65 : 2,357.78 = 962.44 : x
  2. Step 2: Convert to fraction form
    1,708.65/2,357.78 = 962.44/x
  3. Step 3: Cross multiply
    1,708.65x = 2,357.78 × 962.44
  4. Step 4: Simplify right side
    1,708.65x = 2,269,211.08
  5. Step 5: Solve for x
    x = 2,269,211.08/1,708.65
  6. Step 6: Final answer
    x = 1,328.07

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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.