Home / 5,419.72-7,478.76-3,323.44

Finding the Fourth Proportional to 5,419.72, 7,478.76 and 3,323.44

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Solution

The fourth proportional to 5,419.72, 7,478.76 and 3,323.44 is: 4,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.72 : 7,478.76 = 3,323.44 : x
  2. Step 2: Convert to fraction form
    5,419.72/7,478.76 = 3,323.44/x
  3. Step 3: Cross multiply
    5,419.72x = 7,478.76 × 3,323.44
  4. Step 4: Simplify right side
    5,419.72x = 24,855,210.13
  5. Step 5: Solve for x
    x = 24,855,210.13/5,419.72
  6. Step 6: Final answer
    x = 4,586.07

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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.