Home / 7,158.75-9,880.16-4,365.87

Finding the Fourth Proportional to 7,158.75, 9,880.16 and 4,365.87

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Solution

The fourth proportional to 7,158.75, 9,880.16 and 4,365.87 is: 6,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.75 : 9,880.16 = 4,365.87 : x
  2. Step 2: Convert to fraction form
    7,158.75/9,880.16 = 4,365.87/x
  3. Step 3: Cross multiply
    7,158.75x = 9,880.16 × 4,365.87
  4. Step 4: Simplify right side
    7,158.75x = 43,135,472.31
  5. Step 5: Solve for x
    x = 43,135,472.31/7,158.75
  6. Step 6: Final answer
    x = 6,025.56

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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.