Home / 2,785.74-3,844.24-1,526.77

Finding the Fourth Proportional to 2,785.74, 3,844.24 and 1,526.77

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Solution

The fourth proportional to 2,785.74, 3,844.24 and 1,526.77 is: 2,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.74 : 3,844.24 = 1,526.77 : x
  2. Step 2: Convert to fraction form
    2,785.74/3,844.24 = 1,526.77/x
  3. Step 3: Cross multiply
    2,785.74x = 3,844.24 × 1,526.77
  4. Step 4: Simplify right side
    2,785.74x = 5,869,252.07
  5. Step 5: Solve for x
    x = 5,869,252.07/2,785.74
  6. Step 6: Final answer
    x = 2,106.89

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Half scale
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Double scale
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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.