Home / 3,358.92-5,065.25-3,312.75

Finding the Fourth Proportional to 3,358.92, 5,065.25 and 3,312.75

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Solution

The fourth proportional to 3,358.92, 5,065.25 and 3,312.75 is: 4,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.92 : 5,065.25 = 3,312.75 : x
  2. Step 2: Convert to fraction form
    3,358.92/5,065.25 = 3,312.75/x
  3. Step 3: Cross multiply
    3,358.92x = 5,065.25 × 3,312.75
  4. Step 4: Simplify right side
    3,358.92x = 16,779,899.51
  5. Step 5: Solve for x
    x = 16,779,899.51/3,358.92
  6. Step 6: Final answer
    x = 4,995.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.