Home / 2,558.11-3,530.36-1,562.57

Finding the Fourth Proportional to 2,558.11, 3,530.36 and 1,562.57

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Solution

The fourth proportional to 2,558.11, 3,530.36 and 1,562.57 is: 2,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.11 : 3,530.36 = 1,562.57 : x
  2. Step 2: Convert to fraction form
    2,558.11/3,530.36 = 1,562.57/x
  3. Step 3: Cross multiply
    2,558.11x = 3,530.36 × 1,562.57
  4. Step 4: Simplify right side
    2,558.11x = 5,516,434.63
  5. Step 5: Solve for x
    x = 5,516,434.63/2,558.11
  6. Step 6: Final answer
    x = 2,156.45

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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.