Home / 4,722.65-7,077.27-3,480.29

Finding the Fourth Proportional to 4,722.65, 7,077.27 and 3,480.29

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Solution

The fourth proportional to 4,722.65, 7,077.27 and 3,480.29 is: 5,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.65 : 7,077.27 = 3,480.29 : x
  2. Step 2: Convert to fraction form
    4,722.65/7,077.27 = 3,480.29/x
  3. Step 3: Cross multiply
    4,722.65x = 7,077.27 × 3,480.29
  4. Step 4: Simplify right side
    4,722.65x = 24,630,952.01
  5. Step 5: Solve for x
    x = 24,630,952.01/4,722.65
  6. Step 6: Final answer
    x = 5,215.49

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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.