Home / 7,024.38-9,693.84-3,880.77

Finding the Fourth Proportional to 7,024.38, 9,693.84 and 3,880.77

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Solution

The fourth proportional to 7,024.38, 9,693.84 and 3,880.77 is: 5,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.38 : 9,693.84 = 3,880.77 : x
  2. Step 2: Convert to fraction form
    7,024.38/9,693.84 = 3,880.77/x
  3. Step 3: Cross multiply
    7,024.38x = 9,693.84 × 3,880.77
  4. Step 4: Simplify right side
    7,024.38x = 37,619,563.46
  5. Step 5: Solve for x
    x = 37,619,563.46/7,024.38
  6. Step 6: Final answer
    x = 5,355.57

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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.