Home / 3,312.12-4,565.91-2,314.31

Finding the Fourth Proportional to 3,312.12, 4,565.91 and 2,314.31

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Solution

The fourth proportional to 3,312.12, 4,565.91 and 2,314.31 is: 3,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.12 : 4,565.91 = 2,314.31 : x
  2. Step 2: Convert to fraction form
    3,312.12/4,565.91 = 2,314.31/x
  3. Step 3: Cross multiply
    3,312.12x = 4,565.91 × 2,314.31
  4. Step 4: Simplify right side
    3,312.12x = 10,566,917.02
  5. Step 5: Solve for x
    x = 10,566,917.02/3,312.12
  6. Step 6: Final answer
    x = 3,190.38

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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.