Home / 7,340.48-10,127.40-4,194.44

Finding the Fourth Proportional to 7,340.48, 10,127.40 and 4,194.44

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Solution

The fourth proportional to 7,340.48, 10,127.40 and 4,194.44 is: 5,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.48 : 10,127.40 = 4,194.44 : x
  2. Step 2: Convert to fraction form
    7,340.48/10,127.40 = 4,194.44/x
  3. Step 3: Cross multiply
    7,340.48x = 10,127.40 × 4,194.44
  4. Step 4: Simplify right side
    7,340.48x = 42,478,771.66
  5. Step 5: Solve for x
    x = 42,478,771.66/7,340.48
  6. Step 6: Final answer
    x = 5,786.92

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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.