Home / 3,609.24-4,971.40-3,367.32

Finding the Fourth Proportional to 3,609.24, 4,971.40 and 3,367.32

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Solution

The fourth proportional to 3,609.24, 4,971.40 and 3,367.32 is: 4,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.24 : 4,971.40 = 3,367.32 : x
  2. Step 2: Convert to fraction form
    3,609.24/4,971.40 = 3,367.32/x
  3. Step 3: Cross multiply
    3,609.24x = 4,971.40 × 3,367.32
  4. Step 4: Simplify right side
    3,609.24x = 16,740,294.65
  5. Step 5: Solve for x
    x = 16,740,294.65/3,609.24
  6. Step 6: Final answer
    x = 4,638.18

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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.