Home / 7,075.59-10,613.53-2,145.22

Finding the Fourth Proportional to 7,075.59, 10,613.53 and 2,145.22

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Solution

The fourth proportional to 7,075.59, 10,613.53 and 2,145.22 is: 3,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.59 : 10,613.53 = 2,145.22 : x
  2. Step 2: Convert to fraction form
    7,075.59/10,613.53 = 2,145.22/x
  3. Step 3: Cross multiply
    7,075.59x = 10,613.53 × 2,145.22
  4. Step 4: Simplify right side
    7,075.59x = 22,768,332.97
  5. Step 5: Solve for x
    x = 22,768,332.97/7,075.59
  6. Step 6: Final answer
    x = 3,217.87

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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.