Home / 5,309.01-7,323.32-3,320.55

Finding the Fourth Proportional to 5,309.01, 7,323.32 and 3,320.55

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Solution

The fourth proportional to 5,309.01, 7,323.32 and 3,320.55 is: 4,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.01 : 7,323.32 = 3,320.55 : x
  2. Step 2: Convert to fraction form
    5,309.01/7,323.32 = 3,320.55/x
  3. Step 3: Cross multiply
    5,309.01x = 7,323.32 × 3,320.55
  4. Step 4: Simplify right side
    5,309.01x = 24,317,485.99
  5. Step 5: Solve for x
    x = 24,317,485.99/5,309.01
  6. Step 6: Final answer
    x = 4,580.41

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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.