Home / 3,506.80-4,839.38-1,934.90

Finding the Fourth Proportional to 3,506.80, 4,839.38 and 1,934.90

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Solution

The fourth proportional to 3,506.80, 4,839.38 and 1,934.90 is: 2,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.80 : 4,839.38 = 1,934.90 : x
  2. Step 2: Convert to fraction form
    3,506.80/4,839.38 = 1,934.90/x
  3. Step 3: Cross multiply
    3,506.80x = 4,839.38 × 1,934.90
  4. Step 4: Simplify right side
    3,506.80x = 9,363,705.17
  5. Step 5: Solve for x
    x = 9,363,705.17/3,506.80
  6. Step 6: Final answer
    x = 2,670.15

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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.