Home / 4,135.62-5,707.62-2,876.34

Finding the Fourth Proportional to 4,135.62, 5,707.62 and 2,876.34

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Solution

The fourth proportional to 4,135.62, 5,707.62 and 2,876.34 is: 3,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.62 : 5,707.62 = 2,876.34 : x
  2. Step 2: Convert to fraction form
    4,135.62/5,707.62 = 2,876.34/x
  3. Step 3: Cross multiply
    4,135.62x = 5,707.62 × 2,876.34
  4. Step 4: Simplify right side
    4,135.62x = 16,417,055.71
  5. Step 5: Solve for x
    x = 16,417,055.71/4,135.62
  6. Step 6: Final answer
    x = 3,969.67

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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.