Home / 5,421.16-7,477.38-3,326.44

Finding the Fourth Proportional to 5,421.16, 7,477.38 and 3,326.44

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Solution

The fourth proportional to 5,421.16, 7,477.38 and 3,326.44 is: 4,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.16 : 7,477.38 = 3,326.44 : x
  2. Step 2: Convert to fraction form
    5,421.16/7,477.38 = 3,326.44/x
  3. Step 3: Cross multiply
    5,421.16x = 7,477.38 × 3,326.44
  4. Step 4: Simplify right side
    5,421.16x = 24,873,055.93
  5. Step 5: Solve for x
    x = 24,873,055.93/5,421.16
  6. Step 6: Final answer
    x = 4,588.14

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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.