Home / 6,785.31-10,176.89-2,888.67

Finding the Fourth Proportional to 6,785.31, 10,176.89 and 2,888.67

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Solution

The fourth proportional to 6,785.31, 10,176.89 and 2,888.67 is: 4,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.31 : 10,176.89 = 2,888.67 : x
  2. Step 2: Convert to fraction form
    6,785.31/10,176.89 = 2,888.67/x
  3. Step 3: Cross multiply
    6,785.31x = 10,176.89 × 2,888.67
  4. Step 4: Simplify right side
    6,785.31x = 29,397,662.39
  5. Step 5: Solve for x
    x = 29,397,662.39/6,785.31
  6. Step 6: Final answer
    x = 4,332.55

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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.