Home / 3,348.90-4,623.59-2,154.42

Finding the Fourth Proportional to 3,348.90, 4,623.59 and 2,154.42

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Solution

The fourth proportional to 3,348.90, 4,623.59 and 2,154.42 is: 2,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.90 : 4,623.59 = 2,154.42 : x
  2. Step 2: Convert to fraction form
    3,348.90/4,623.59 = 2,154.42/x
  3. Step 3: Cross multiply
    3,348.90x = 4,623.59 × 2,154.42
  4. Step 4: Simplify right side
    3,348.90x = 9,961,154.77
  5. Step 5: Solve for x
    x = 9,961,154.77/3,348.90
  6. Step 6: Final answer
    x = 2,974.46

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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.