Home / 5,331.80-7,357.56-2,973.90

Finding the Fourth Proportional to 5,331.80, 7,357.56 and 2,973.90

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Solution

The fourth proportional to 5,331.80, 7,357.56 and 2,973.90 is: 4,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.80 : 7,357.56 = 2,973.90 : x
  2. Step 2: Convert to fraction form
    5,331.80/7,357.56 = 2,973.90/x
  3. Step 3: Cross multiply
    5,331.80x = 7,357.56 × 2,973.90
  4. Step 4: Simplify right side
    5,331.80x = 21,880,647.68
  5. Step 5: Solve for x
    x = 21,880,647.68/5,331.80
  6. Step 6: Final answer
    x = 4,103.80

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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.