Home / 5,475.49-7,556.17-3,117.63

Finding the Fourth Proportional to 5,475.49, 7,556.17 and 3,117.63

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Solution

The fourth proportional to 5,475.49, 7,556.17 and 3,117.63 is: 4,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.49 : 7,556.17 = 3,117.63 : x
  2. Step 2: Convert to fraction form
    5,475.49/7,556.17 = 3,117.63/x
  3. Step 3: Cross multiply
    5,475.49x = 7,556.17 × 3,117.63
  4. Step 4: Simplify right side
    5,475.49x = 23,557,342.28
  5. Step 5: Solve for x
    x = 23,557,342.28/5,475.49
  6. Step 6: Final answer
    x = 4,302.33

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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.