Home / 3,031.84-4,184.04-1,705.80

Finding the Fourth Proportional to 3,031.84, 4,184.04 and 1,705.80

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Solution

The fourth proportional to 3,031.84, 4,184.04 and 1,705.80 is: 2,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.84 : 4,184.04 = 1,705.80 : x
  2. Step 2: Convert to fraction form
    3,031.84/4,184.04 = 1,705.80/x
  3. Step 3: Cross multiply
    3,031.84x = 4,184.04 × 1,705.80
  4. Step 4: Simplify right side
    3,031.84x = 7,137,135.43
  5. Step 5: Solve for x
    x = 7,137,135.43/3,031.84
  6. Step 6: Final answer
    x = 2,354.06

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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.