Home / 5,549.90-7,658.84-3,031.98

Finding the Fourth Proportional to 5,549.90, 7,658.84 and 3,031.98

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Solution

The fourth proportional to 5,549.90, 7,658.84 and 3,031.98 is: 4,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.90 : 7,658.84 = 3,031.98 : x
  2. Step 2: Convert to fraction form
    5,549.90/7,658.84 = 3,031.98/x
  3. Step 3: Cross multiply
    5,549.90x = 7,658.84 × 3,031.98
  4. Step 4: Simplify right side
    5,549.90x = 23,221,434.54
  5. Step 5: Solve for x
    x = 23,221,434.54/5,549.90
  6. Step 6: Final answer
    x = 4,184.12

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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.