Home / 1,533.08-2,116.62-1,035.56

Finding the Fourth Proportional to 1,533.08, 2,116.62 and 1,035.56

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Solution

The fourth proportional to 1,533.08, 2,116.62 and 1,035.56 is: 1,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.08 : 2,116.62 = 1,035.56 : x
  2. Step 2: Convert to fraction form
    1,533.08/2,116.62 = 1,035.56/x
  3. Step 3: Cross multiply
    1,533.08x = 2,116.62 × 1,035.56
  4. Step 4: Simplify right side
    1,533.08x = 2,191,887.01
  5. Step 5: Solve for x
    x = 2,191,887.01/1,533.08
  6. Step 6: Final answer
    x = 1,429.73

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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.