Home / 3,308.26-4,565.45-1,816.15

Finding the Fourth Proportional to 3,308.26, 4,565.45 and 1,816.15

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Solution

The fourth proportional to 3,308.26, 4,565.45 and 1,816.15 is: 2,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.26 : 4,565.45 = 1,816.15 : x
  2. Step 2: Convert to fraction form
    3,308.26/4,565.45 = 1,816.15/x
  3. Step 3: Cross multiply
    3,308.26x = 4,565.45 × 1,816.15
  4. Step 4: Simplify right side
    3,308.26x = 8,291,537.01
  5. Step 5: Solve for x
    x = 8,291,537.01/3,308.26
  6. Step 6: Final answer
    x = 2,506.31

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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.