Home / 5,307.56-7,321.38-4,313.96

Finding the Fourth Proportional to 5,307.56, 7,321.38 and 4,313.96

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Solution

The fourth proportional to 5,307.56, 7,321.38 and 4,313.96 is: 5,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.56 : 7,321.38 = 4,313.96 : x
  2. Step 2: Convert to fraction form
    5,307.56/7,321.38 = 4,313.96/x
  3. Step 3: Cross multiply
    5,307.56x = 7,321.38 × 4,313.96
  4. Step 4: Simplify right side
    5,307.56x = 31,584,140.46
  5. Step 5: Solve for x
    x = 31,584,140.46/5,307.56
  6. Step 6: Final answer
    x = 5,950.78

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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.