Home / 7,341.16-11,002.78-3,440.36

Finding the Fourth Proportional to 7,341.16, 11,002.78 and 3,440.36

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Solution

The fourth proportional to 7,341.16, 11,002.78 and 3,440.36 is: 5,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.16 : 11,002.78 = 3,440.36 : x
  2. Step 2: Convert to fraction form
    7,341.16/11,002.78 = 3,440.36/x
  3. Step 3: Cross multiply
    7,341.16x = 11,002.78 × 3,440.36
  4. Step 4: Simplify right side
    7,341.16x = 37,853,524.20
  5. Step 5: Solve for x
    x = 37,853,524.20/7,341.16
  6. Step 6: Final answer
    x = 5,156.34

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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.