Home / 2,075.36-3,113.04-1,424.12

Finding the Fourth Proportional to 2,075.36, 3,113.04 and 1,424.12

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Solution

The fourth proportional to 2,075.36, 3,113.04 and 1,424.12 is: 2,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.36 : 3,113.04 = 1,424.12 : x
  2. Step 2: Convert to fraction form
    2,075.36/3,113.04 = 1,424.12/x
  3. Step 3: Cross multiply
    2,075.36x = 3,113.04 × 1,424.12
  4. Step 4: Simplify right side
    2,075.36x = 4,433,342.52
  5. Step 5: Solve for x
    x = 4,433,342.52/2,075.36
  6. Step 6: Final answer
    x = 2,136.18

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Similar ratio
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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.