Home / 2,588.64-3,572.36-1,409.76

Finding the Fourth Proportional to 2,588.64, 3,572.36 and 1,409.76

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Solution

The fourth proportional to 2,588.64, 3,572.36 and 1,409.76 is: 1,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.64 : 3,572.36 = 1,409.76 : x
  2. Step 2: Convert to fraction form
    2,588.64/3,572.36 = 1,409.76/x
  3. Step 3: Cross multiply
    2,588.64x = 3,572.36 × 1,409.76
  4. Step 4: Simplify right side
    2,588.64x = 5,036,170.23
  5. Step 5: Solve for x
    x = 5,036,170.23/2,588.64
  6. Step 6: Final answer
    x = 1,945.49

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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.