Home / 7,788.76-10,748.51-4,252.03

Finding the Fourth Proportional to 7,788.76, 10,748.51 and 4,252.03

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Solution

The fourth proportional to 7,788.76, 10,748.51 and 4,252.03 is: 5,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.76 : 10,748.51 = 4,252.03 : x
  2. Step 2: Convert to fraction form
    7,788.76/10,748.51 = 4,252.03/x
  3. Step 3: Cross multiply
    7,788.76x = 10,748.51 × 4,252.03
  4. Step 4: Simplify right side
    7,788.76x = 45,702,965.72
  5. Step 5: Solve for x
    x = 45,702,965.72/7,788.76
  6. Step 6: Final answer
    x = 5,867.81

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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.