Home / 5,645.03-7,782.48-4,759.29

Finding the Fourth Proportional to 5,645.03, 7,782.48 and 4,759.29

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Solution

The fourth proportional to 5,645.03, 7,782.48 and 4,759.29 is: 6,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.03 : 7,782.48 = 4,759.29 : x
  2. Step 2: Convert to fraction form
    5,645.03/7,782.48 = 4,759.29/x
  3. Step 3: Cross multiply
    5,645.03x = 7,782.48 × 4,759.29
  4. Step 4: Simplify right side
    5,645.03x = 37,039,079.24
  5. Step 5: Solve for x
    x = 37,039,079.24/5,645.03
  6. Step 6: Final answer
    x = 6,561.37

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1.5x scale

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.