Home / 5,487.47-7,576.17-3,808.34

Finding the Fourth Proportional to 5,487.47, 7,576.17 and 3,808.34

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Solution

The fourth proportional to 5,487.47, 7,576.17 and 3,808.34 is: 5,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.47 : 7,576.17 = 3,808.34 : x
  2. Step 2: Convert to fraction form
    5,487.47/7,576.17 = 3,808.34/x
  3. Step 3: Cross multiply
    5,487.47x = 7,576.17 × 3,808.34
  4. Step 4: Simplify right side
    5,487.47x = 28,852,631.26
  5. Step 5: Solve for x
    x = 28,852,631.26/5,487.47
  6. Step 6: Final answer
    x = 5,257.91

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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.