Home / 1,715.24-2,578.33-1,070.08

Finding the Fourth Proportional to 1,715.24, 2,578.33 and 1,070.08

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Solution

The fourth proportional to 1,715.24, 2,578.33 and 1,070.08 is: 1,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.24 : 2,578.33 = 1,070.08 : x
  2. Step 2: Convert to fraction form
    1,715.24/2,578.33 = 1,070.08/x
  3. Step 3: Cross multiply
    1,715.24x = 2,578.33 × 1,070.08
  4. Step 4: Simplify right side
    1,715.24x = 2,759,014.26
  5. Step 5: Solve for x
    x = 2,759,014.26/1,715.24
  6. Step 6: Final answer
    x = 1,608.53

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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.