Home / 5,315.69-7,335.63-2,958.29

Finding the Fourth Proportional to 5,315.69, 7,335.63 and 2,958.29

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Solution

The fourth proportional to 5,315.69, 7,335.63 and 2,958.29 is: 4,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.69 : 7,335.63 = 2,958.29 : x
  2. Step 2: Convert to fraction form
    5,315.69/7,335.63 = 2,958.29/x
  3. Step 3: Cross multiply
    5,315.69x = 7,335.63 × 2,958.29
  4. Step 4: Simplify right side
    5,315.69x = 21,700,884.19
  5. Step 5: Solve for x
    x = 21,700,884.19/5,315.69
  6. Step 6: Final answer
    x = 4,082.42

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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.