Home / 5,315.82-7,336.02-2,958.12

Finding the Fourth Proportional to 5,315.82, 7,336.02 and 2,958.12

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Solution

The fourth proportional to 5,315.82, 7,336.02 and 2,958.12 is: 4,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.82 : 7,336.02 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    5,315.82/7,336.02 = 2,958.12/x
  3. Step 3: Cross multiply
    5,315.82x = 7,336.02 × 2,958.12
  4. Step 4: Simplify right side
    5,315.82x = 21,700,827.48
  5. Step 5: Solve for x
    x = 21,700,827.48/5,315.82
  6. Step 6: Final answer
    x = 4,082.31

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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.