Home / 2,785.34-4,178.82-2,296.10

Finding the Fourth Proportional to 2,785.34, 4,178.82 and 2,296.10

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Solution

The fourth proportional to 2,785.34, 4,178.82 and 2,296.10 is: 3,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.34 : 4,178.82 = 2,296.10 : x
  2. Step 2: Convert to fraction form
    2,785.34/4,178.82 = 2,296.10/x
  3. Step 3: Cross multiply
    2,785.34x = 4,178.82 × 2,296.10
  4. Step 4: Simplify right side
    2,785.34x = 9,594,988.60
  5. Step 5: Solve for x
    x = 9,594,988.60/2,785.34
  6. Step 6: Final answer
    x = 3,444.82

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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.