Home / 5,076.40-7,005.18-2,950.51

Finding the Fourth Proportional to 5,076.40, 7,005.18 and 2,950.51

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Solution

The fourth proportional to 5,076.40, 7,005.18 and 2,950.51 is: 4,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.40 : 7,005.18 = 2,950.51 : x
  2. Step 2: Convert to fraction form
    5,076.40/7,005.18 = 2,950.51/x
  3. Step 3: Cross multiply
    5,076.40x = 7,005.18 × 2,950.51
  4. Step 4: Simplify right side
    5,076.40x = 20,668,853.64
  5. Step 5: Solve for x
    x = 20,668,853.64/5,076.40
  6. Step 6: Final answer
    x = 4,071.56

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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.