Home / 5,390.16-7,438.36-3,032.52

Finding the Fourth Proportional to 5,390.16, 7,438.36 and 3,032.52

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Solution

The fourth proportional to 5,390.16, 7,438.36 and 3,032.52 is: 4,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.16 : 7,438.36 = 3,032.52 : x
  2. Step 2: Convert to fraction form
    5,390.16/7,438.36 = 3,032.52/x
  3. Step 3: Cross multiply
    5,390.16x = 7,438.36 × 3,032.52
  4. Step 4: Simplify right side
    5,390.16x = 22,556,975.47
  5. Step 5: Solve for x
    x = 22,556,975.47/5,390.16
  6. Step 6: Final answer
    x = 4,184.84

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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.