Home / 7,075.08-10,613.99-2,692.20

Finding the Fourth Proportional to 7,075.08, 10,613.99 and 2,692.20

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Solution

The fourth proportional to 7,075.08, 10,613.99 and 2,692.20 is: 4,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.08 : 10,613.99 = 2,692.20 : x
  2. Step 2: Convert to fraction form
    7,075.08/10,613.99 = 2,692.20/x
  3. Step 3: Cross multiply
    7,075.08x = 10,613.99 × 2,692.20
  4. Step 4: Simplify right side
    7,075.08x = 28,574,983.88
  5. Step 5: Solve for x
    x = 28,574,983.88/7,075.08
  6. Step 6: Final answer
    x = 4,038.82

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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.