Home / 7,340.40-11,010.60-2,955.60

Finding the Fourth Proportional to 7,340.40, 11,010.60 and 2,955.60

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Solution

The fourth proportional to 7,340.40, 11,010.60 and 2,955.60 is: 4,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.40 : 11,010.60 = 2,955.60 : x
  2. Step 2: Convert to fraction form
    7,340.40/11,010.60 = 2,955.60/x
  3. Step 3: Cross multiply
    7,340.40x = 11,010.60 × 2,955.60
  4. Step 4: Simplify right side
    7,340.40x = 32,542,929.36
  5. Step 5: Solve for x
    x = 32,542,929.36/7,340.40
  6. Step 6: Final answer
    x = 4,433.40

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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.