Home / 7,385.55-11,079.73-2,389.27

Finding the Fourth Proportional to 7,385.55, 11,079.73 and 2,389.27

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Solution

The fourth proportional to 7,385.55, 11,079.73 and 2,389.27 is: 3,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.55 : 11,079.73 = 2,389.27 : x
  2. Step 2: Convert to fraction form
    7,385.55/11,079.73 = 2,389.27/x
  3. Step 3: Cross multiply
    7,385.55x = 11,079.73 × 2,389.27
  4. Step 4: Simplify right side
    7,385.55x = 26,472,466.50
  5. Step 5: Solve for x
    x = 26,472,466.50/7,385.55
  6. Step 6: Final answer
    x = 3,584.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.