Home / 7,299.56-10,072.78-4,315.24

Finding the Fourth Proportional to 7,299.56, 10,072.78 and 4,315.24

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Solution

The fourth proportional to 7,299.56, 10,072.78 and 4,315.24 is: 5,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.56 : 10,072.78 = 4,315.24 : x
  2. Step 2: Convert to fraction form
    7,299.56/10,072.78 = 4,315.24/x
  3. Step 3: Cross multiply
    7,299.56x = 10,072.78 × 4,315.24
  4. Step 4: Simplify right side
    7,299.56x = 43,466,463.17
  5. Step 5: Solve for x
    x = 43,466,463.17/7,299.56
  6. Step 6: Final answer
    x = 5,954.67

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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.