Home / 1,711.07-2,566.67-615.41

Finding the Fourth Proportional to 1,711.07, 2,566.67 and 615.41

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Solution

The fourth proportional to 1,711.07, 2,566.67 and 615.41 is: 923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.07 : 2,566.67 = 615.41 : x
  2. Step 2: Convert to fraction form
    1,711.07/2,566.67 = 615.41/x
  3. Step 3: Cross multiply
    1,711.07x = 2,566.67 × 615.41
  4. Step 4: Simplify right side
    1,711.07x = 1,579,554.38
  5. Step 5: Solve for x
    x = 1,579,554.38/1,711.07
  6. Step 6: Final answer
    x = 923.14

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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.