Home / 4,480.74-6,722.28-1,559.34

Finding the Fourth Proportional to 4,480.74, 6,722.28 and 1,559.34

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Solution

The fourth proportional to 4,480.74, 6,722.28 and 1,559.34 is: 2,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.74 : 6,722.28 = 1,559.34 : x
  2. Step 2: Convert to fraction form
    4,480.74/6,722.28 = 1,559.34/x
  3. Step 3: Cross multiply
    4,480.74x = 6,722.28 × 1,559.34
  4. Step 4: Simplify right side
    4,480.74x = 10,482,320.10
  5. Step 5: Solve for x
    x = 10,482,320.10/4,480.74
  6. Step 6: Final answer
    x = 2,339.42

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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.