Home / 3,540.51-5,302.56-3,417.49

Finding the Fourth Proportional to 3,540.51, 5,302.56 and 3,417.49

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Solution

The fourth proportional to 3,540.51, 5,302.56 and 3,417.49 is: 5,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.51 : 5,302.56 = 3,417.49 : x
  2. Step 2: Convert to fraction form
    3,540.51/5,302.56 = 3,417.49/x
  3. Step 3: Cross multiply
    3,540.51x = 5,302.56 × 3,417.49
  4. Step 4: Simplify right side
    3,540.51x = 18,121,465.22
  5. Step 5: Solve for x
    x = 18,121,465.22/3,540.51
  6. Step 6: Final answer
    x = 5,118.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.