Home / 5,165.60-7,126.72-3,303.68

Finding the Fourth Proportional to 5,165.60, 7,126.72 and 3,303.68

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Solution

The fourth proportional to 5,165.60, 7,126.72 and 3,303.68 is: 4,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.60 : 7,126.72 = 3,303.68 : x
  2. Step 2: Convert to fraction form
    5,165.60/7,126.72 = 3,303.68/x
  3. Step 3: Cross multiply
    5,165.60x = 7,126.72 × 3,303.68
  4. Step 4: Simplify right side
    5,165.60x = 23,544,402.33
  5. Step 5: Solve for x
    x = 23,544,402.33/5,165.60
  6. Step 6: Final answer
    x = 4,557.92

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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.