Home / 5,299.11-7,313.36-3,386.70

Finding the Fourth Proportional to 5,299.11, 7,313.36 and 3,386.70

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Solution

The fourth proportional to 5,299.11, 7,313.36 and 3,386.70 is: 4,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.11 : 7,313.36 = 3,386.70 : x
  2. Step 2: Convert to fraction form
    5,299.11/7,313.36 = 3,386.70/x
  3. Step 3: Cross multiply
    5,299.11x = 7,313.36 × 3,386.70
  4. Step 4: Simplify right side
    5,299.11x = 24,768,139.38
  5. Step 5: Solve for x
    x = 24,768,139.38/5,299.11
  6. Step 6: Final answer
    x = 4,674.02

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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.