Home / 5,018.72-7,528.51-1,508.48

Finding the Fourth Proportional to 5,018.72, 7,528.51 and 1,508.48

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Solution

The fourth proportional to 5,018.72, 7,528.51 and 1,508.48 is: 2,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.72 : 7,528.51 = 1,508.48 : x
  2. Step 2: Convert to fraction form
    5,018.72/7,528.51 = 1,508.48/x
  3. Step 3: Cross multiply
    5,018.72x = 7,528.51 × 1,508.48
  4. Step 4: Simplify right side
    5,018.72x = 11,356,621.81
  5. Step 5: Solve for x
    x = 11,356,621.81/5,018.72
  6. Step 6: Final answer
    x = 2,262.85

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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.