Home / 7,075.38-9,761.20-4,950.34

Finding the Fourth Proportional to 7,075.38, 9,761.20 and 4,950.34

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Solution

The fourth proportional to 7,075.38, 9,761.20 and 4,950.34 is: 6,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.38 : 9,761.20 = 4,950.34 : x
  2. Step 2: Convert to fraction form
    7,075.38/9,761.20 = 4,950.34/x
  3. Step 3: Cross multiply
    7,075.38x = 9,761.20 × 4,950.34
  4. Step 4: Simplify right side
    7,075.38x = 48,321,258.81
  5. Step 5: Solve for x
    x = 48,321,258.81/7,075.38
  6. Step 6: Final answer
    x = 6,829.49

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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.