Home / 5,476.47-7,556.16-3,085.98

Finding the Fourth Proportional to 5,476.47, 7,556.16 and 3,085.98

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Solution

The fourth proportional to 5,476.47, 7,556.16 and 3,085.98 is: 4,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.47 : 7,556.16 = 3,085.98 : x
  2. Step 2: Convert to fraction form
    5,476.47/7,556.16 = 3,085.98/x
  3. Step 3: Cross multiply
    5,476.47x = 7,556.16 × 3,085.98
  4. Step 4: Simplify right side
    5,476.47x = 23,318,158.64
  5. Step 5: Solve for x
    x = 23,318,158.64/5,476.47
  6. Step 6: Final answer
    x = 4,257.88

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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.