Home / 1,532.69-2,115.11-834.06

Finding the Fourth Proportional to 1,532.69, 2,115.11 and 834.06

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Solution

The fourth proportional to 1,532.69, 2,115.11 and 834.06 is: 1,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.69 : 2,115.11 = 834.06 : x
  2. Step 2: Convert to fraction form
    1,532.69/2,115.11 = 834.06/x
  3. Step 3: Cross multiply
    1,532.69x = 2,115.11 × 834.06
  4. Step 4: Simplify right side
    1,532.69x = 1,764,138.66
  5. Step 5: Solve for x
    x = 1,764,138.66/1,532.69
  6. Step 6: Final answer
    x = 1,151.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.