Home / 3,715.83-5,129.18-2,536.06

Finding the Fourth Proportional to 3,715.83, 5,129.18 and 2,536.06

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Solution

The fourth proportional to 3,715.83, 5,129.18 and 2,536.06 is: 3,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.83 : 5,129.18 = 2,536.06 : x
  2. Step 2: Convert to fraction form
    3,715.83/5,129.18 = 2,536.06/x
  3. Step 3: Cross multiply
    3,715.83x = 5,129.18 × 2,536.06
  4. Step 4: Simplify right side
    3,715.83x = 13,007,908.23
  5. Step 5: Solve for x
    x = 13,007,908.23/3,715.83
  6. Step 6: Final answer
    x = 3,500.67

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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.