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Finding the Fourth Proportional to 5,248.48, 7,873.88 and 1,739.58

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Solution

The fourth proportional to 5,248.48, 7,873.88 and 1,739.58 is: 2,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.48 : 7,873.88 = 1,739.58 : x
  2. Step 2: Convert to fraction form
    5,248.48/7,873.88 = 1,739.58/x
  3. Step 3: Cross multiply
    5,248.48x = 7,873.88 × 1,739.58
  4. Step 4: Simplify right side
    5,248.48x = 13,697,196.10
  5. Step 5: Solve for x
    x = 13,697,196.10/5,248.48
  6. Step 6: Final answer
    x = 2,609.75

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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.