Home / 5,429.83-8,146.56-1,732.58

Finding the Fourth Proportional to 5,429.83, 8,146.56 and 1,732.58

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Solution

The fourth proportional to 5,429.83, 8,146.56 and 1,732.58 is: 2,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.83 : 8,146.56 = 1,732.58 : x
  2. Step 2: Convert to fraction form
    5,429.83/8,146.56 = 1,732.58/x
  3. Step 3: Cross multiply
    5,429.83x = 8,146.56 × 1,732.58
  4. Step 4: Simplify right side
    5,429.83x = 14,114,558.26
  5. Step 5: Solve for x
    x = 14,114,558.26/5,429.83
  6. Step 6: Final answer
    x = 2,599.45

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1.5x scale

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.