Home / 5,368.20-7,407.09-3,243.30

Finding the Fourth Proportional to 5,368.20, 7,407.09 and 3,243.30

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Solution

The fourth proportional to 5,368.20, 7,407.09 and 3,243.30 is: 4,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.20 : 7,407.09 = 3,243.30 : x
  2. Step 2: Convert to fraction form
    5,368.20/7,407.09 = 3,243.30/x
  3. Step 3: Cross multiply
    5,368.20x = 7,407.09 × 3,243.30
  4. Step 4: Simplify right side
    5,368.20x = 24,023,415.00
  5. Step 5: Solve for x
    x = 24,023,415.00/5,368.20
  6. Step 6: Final answer
    x = 4,475.13

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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.