Home / 2,153.39-3,232.10-1,058.54

Finding the Fourth Proportional to 2,153.39, 3,232.10 and 1,058.54

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Solution

The fourth proportional to 2,153.39, 3,232.10 and 1,058.54 is: 1,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.39 : 3,232.10 = 1,058.54 : x
  2. Step 2: Convert to fraction form
    2,153.39/3,232.10 = 1,058.54/x
  3. Step 3: Cross multiply
    2,153.39x = 3,232.10 × 1,058.54
  4. Step 4: Simplify right side
    2,153.39x = 3,421,307.13
  5. Step 5: Solve for x
    x = 3,421,307.13/2,153.39
  6. Step 6: Final answer
    x = 1,588.80

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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.