Home / 7,340.40-10,133.40-4,983.60

Finding the Fourth Proportional to 7,340.40, 10,133.40 and 4,983.60

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Solution

The fourth proportional to 7,340.40, 10,133.40 and 4,983.60 is: 6,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.40 : 10,133.40 = 4,983.60 : x
  2. Step 2: Convert to fraction form
    7,340.40/10,133.40 = 4,983.60/x
  3. Step 3: Cross multiply
    7,340.40x = 10,133.40 × 4,983.60
  4. Step 4: Simplify right side
    7,340.40x = 50,500,812.24
  5. Step 5: Solve for x
    x = 50,500,812.24/7,340.40
  6. Step 6: Final answer
    x = 6,879.84

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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.