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Finding the Fourth Proportional to 2,295.52, 3,167.84 and 1,247.58

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Solution

The fourth proportional to 2,295.52, 3,167.84 and 1,247.58 is: 1,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.52 : 3,167.84 = 1,247.58 : x
  2. Step 2: Convert to fraction form
    2,295.52/3,167.84 = 1,247.58/x
  3. Step 3: Cross multiply
    2,295.52x = 3,167.84 × 1,247.58
  4. Step 4: Simplify right side
    2,295.52x = 3,952,127.59
  5. Step 5: Solve for x
    x = 3,952,127.59/2,295.52
  6. Step 6: Final answer
    x = 1,721.67

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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.