Home / 5,074.70-7,003.15-2,950.40

Finding the Fourth Proportional to 5,074.70, 7,003.15 and 2,950.40

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Solution

The fourth proportional to 5,074.70, 7,003.15 and 2,950.40 is: 4,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.70 : 7,003.15 = 2,950.40 : x
  2. Step 2: Convert to fraction form
    5,074.70/7,003.15 = 2,950.40/x
  3. Step 3: Cross multiply
    5,074.70x = 7,003.15 × 2,950.40
  4. Step 4: Simplify right side
    5,074.70x = 20,662,103.89
  5. Step 5: Solve for x
    x = 20,662,103.89/5,074.70
  6. Step 6: Final answer
    x = 4,071.60

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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.