Home / 5,394.15-7,443.90-3,036.30

Finding the Fourth Proportional to 5,394.15, 7,443.90 and 3,036.30

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Solution

The fourth proportional to 5,394.15, 7,443.90 and 3,036.30 is: 4,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.15 : 7,443.90 = 3,036.30 : x
  2. Step 2: Convert to fraction form
    5,394.15/7,443.90 = 3,036.30/x
  3. Step 3: Cross multiply
    5,394.15x = 7,443.90 × 3,036.30
  4. Step 4: Simplify right side
    5,394.15x = 22,601,913.57
  5. Step 5: Solve for x
    x = 22,601,913.57/5,394.15
  6. Step 6: Final answer
    x = 4,190.08

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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.