Home / 7,151.13-10,722.53-2,763.47

Finding the Fourth Proportional to 7,151.13, 10,722.53 and 2,763.47

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Solution

The fourth proportional to 7,151.13, 10,722.53 and 2,763.47 is: 4,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.13 : 10,722.53 = 2,763.47 : x
  2. Step 2: Convert to fraction form
    7,151.13/10,722.53 = 2,763.47/x
  3. Step 3: Cross multiply
    7,151.13x = 10,722.53 × 2,763.47
  4. Step 4: Simplify right side
    7,151.13x = 29,631,423.69
  5. Step 5: Solve for x
    x = 29,631,423.69/7,151.13
  6. Step 6: Final answer
    x = 4,143.60

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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.