Home / 5,309.16-7,333.74-3,992.76

Finding the Fourth Proportional to 5,309.16, 7,333.74 and 3,992.76

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Solution

The fourth proportional to 5,309.16, 7,333.74 and 3,992.76 is: 5,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.16 : 7,333.74 = 3,992.76 : x
  2. Step 2: Convert to fraction form
    5,309.16/7,333.74 = 3,992.76/x
  3. Step 3: Cross multiply
    5,309.16x = 7,333.74 × 3,992.76
  4. Step 4: Simplify right side
    5,309.16x = 29,281,863.72
  5. Step 5: Solve for x
    x = 29,281,863.72/5,309.16
  6. Step 6: Final answer
    x = 5,515.35

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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.