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Finding the Fourth Proportional to 5,308.32, 7,962.65 and 1,798.28

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Solution

The fourth proportional to 5,308.32, 7,962.65 and 1,798.28 is: 2,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.32 : 7,962.65 = 1,798.28 : x
  2. Step 2: Convert to fraction form
    5,308.32/7,962.65 = 1,798.28/x
  3. Step 3: Cross multiply
    5,308.32x = 7,962.65 × 1,798.28
  4. Step 4: Simplify right side
    5,308.32x = 14,319,025.44
  5. Step 5: Solve for x
    x = 14,319,025.44/5,308.32
  6. Step 6: Final answer
    x = 2,697.47

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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.