Home / 7,340.51-11,007.38-3,641.45

Finding the Fourth Proportional to 7,340.51, 11,007.38 and 3,641.45

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Solution

The fourth proportional to 7,340.51, 11,007.38 and 3,641.45 is: 5,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.51 : 11,007.38 = 3,641.45 : x
  2. Step 2: Convert to fraction form
    7,340.51/11,007.38 = 3,641.45/x
  3. Step 3: Cross multiply
    7,340.51x = 11,007.38 × 3,641.45
  4. Step 4: Simplify right side
    7,340.51x = 40,082,750.66
  5. Step 5: Solve for x
    x = 40,082,750.66/7,340.51
  6. Step 6: Final answer
    x = 5,460.49

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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.