Home / 5,018.56-7,528.24-1,555.76

Finding the Fourth Proportional to 5,018.56, 7,528.24 and 1,555.76

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Solution

The fourth proportional to 5,018.56, 7,528.24 and 1,555.76 is: 2,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.56 : 7,528.24 = 1,555.76 : x
  2. Step 2: Convert to fraction form
    5,018.56/7,528.24 = 1,555.76/x
  3. Step 3: Cross multiply
    5,018.56x = 7,528.24 × 1,555.76
  4. Step 4: Simplify right side
    5,018.56x = 11,712,134.66
  5. Step 5: Solve for x
    x = 11,712,134.66/5,018.56
  6. Step 6: Final answer
    x = 2,333.76

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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.