Home / 5,354.81-7,389.56-2,996.95

Finding the Fourth Proportional to 5,354.81, 7,389.56 and 2,996.95

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Solution

The fourth proportional to 5,354.81, 7,389.56 and 2,996.95 is: 4,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.81 : 7,389.56 = 2,996.95 : x
  2. Step 2: Convert to fraction form
    5,354.81/7,389.56 = 2,996.95/x
  3. Step 3: Cross multiply
    5,354.81x = 7,389.56 × 2,996.95
  4. Step 4: Simplify right side
    5,354.81x = 22,146,104.89
  5. Step 5: Solve for x
    x = 22,146,104.89/5,354.81
  6. Step 6: Final answer
    x = 4,135.74

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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.