Home / 3,551.70-5,325.02-1,358.58

Finding the Fourth Proportional to 3,551.70, 5,325.02 and 1,358.58

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Solution

The fourth proportional to 3,551.70, 5,325.02 and 1,358.58 is: 2,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.70 : 5,325.02 = 1,358.58 : x
  2. Step 2: Convert to fraction form
    3,551.70/5,325.02 = 1,358.58/x
  3. Step 3: Cross multiply
    3,551.70x = 5,325.02 × 1,358.58
  4. Step 4: Simplify right side
    3,551.70x = 7,234,465.67
  5. Step 5: Solve for x
    x = 7,234,465.67/3,551.70
  6. Step 6: Final answer
    x = 2,036.90

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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.