Home / 5,075.49-7,618.68-4,262.64

Finding the Fourth Proportional to 5,075.49, 7,618.68 and 4,262.64

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Solution

The fourth proportional to 5,075.49, 7,618.68 and 4,262.64 is: 6,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.49 : 7,618.68 = 4,262.64 : x
  2. Step 2: Convert to fraction form
    5,075.49/7,618.68 = 4,262.64/x
  3. Step 3: Cross multiply
    5,075.49x = 7,618.68 × 4,262.64
  4. Step 4: Simplify right side
    5,075.49x = 32,475,690.12
  5. Step 5: Solve for x
    x = 32,475,690.12/5,075.49
  6. Step 6: Final answer
    x = 6,398.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.