Home / 5,091.73-7,030.01-3,180.46

Finding the Fourth Proportional to 5,091.73, 7,030.01 and 3,180.46

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Solution

The fourth proportional to 5,091.73, 7,030.01 and 3,180.46 is: 4,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.73 : 7,030.01 = 3,180.46 : x
  2. Step 2: Convert to fraction form
    5,091.73/7,030.01 = 3,180.46/x
  3. Step 3: Cross multiply
    5,091.73x = 7,030.01 × 3,180.46
  4. Step 4: Simplify right side
    5,091.73x = 22,358,665.60
  5. Step 5: Solve for x
    x = 22,358,665.60/5,091.73
  6. Step 6: Final answer
    x = 4,391.17

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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.