Home / 5,075.64-7,006.50-3,678.12

Finding the Fourth Proportional to 5,075.64, 7,006.50 and 3,678.12

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Solution

The fourth proportional to 5,075.64, 7,006.50 and 3,678.12 is: 5,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.64 : 7,006.50 = 3,678.12 : x
  2. Step 2: Convert to fraction form
    5,075.64/7,006.50 = 3,678.12/x
  3. Step 3: Cross multiply
    5,075.64x = 7,006.50 × 3,678.12
  4. Step 4: Simplify right side
    5,075.64x = 25,770,747.78
  5. Step 5: Solve for x
    x = 25,770,747.78/5,075.64
  6. Step 6: Final answer
    x = 5,077.34

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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.