Home / 3,559.26-5,339.52-1,478.10

Finding the Fourth Proportional to 3,559.26, 5,339.52 and 1,478.10

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Solution

The fourth proportional to 3,559.26, 5,339.52 and 1,478.10 is: 2,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.26 : 5,339.52 = 1,478.10 : x
  2. Step 2: Convert to fraction form
    3,559.26/5,339.52 = 1,478.10/x
  3. Step 3: Cross multiply
    3,559.26x = 5,339.52 × 1,478.10
  4. Step 4: Simplify right side
    3,559.26x = 7,892,344.51
  5. Step 5: Solve for x
    x = 7,892,344.51/3,559.26
  6. Step 6: Final answer
    x = 2,217.41

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1.5x scale

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.