Home / 1,732.40-2,596.16-756.45

Finding the Fourth Proportional to 1,732.40, 2,596.16 and 756.45

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Solution

The fourth proportional to 1,732.40, 2,596.16 and 756.45 is: 1,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.40 : 2,596.16 = 756.45 : x
  2. Step 2: Convert to fraction form
    1,732.40/2,596.16 = 756.45/x
  3. Step 3: Cross multiply
    1,732.40x = 2,596.16 × 756.45
  4. Step 4: Simplify right side
    1,732.40x = 1,963,865.23
  5. Step 5: Solve for x
    x = 1,963,865.23/1,732.40
  6. Step 6: Final answer
    x = 1,133.61

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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.