Home / 5,429.30-7,495.79-4,167.93

Finding the Fourth Proportional to 5,429.30, 7,495.79 and 4,167.93

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Solution

The fourth proportional to 5,429.30, 7,495.79 and 4,167.93 is: 5,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.30 : 7,495.79 = 4,167.93 : x
  2. Step 2: Convert to fraction form
    5,429.30/7,495.79 = 4,167.93/x
  3. Step 3: Cross multiply
    5,429.30x = 7,495.79 × 4,167.93
  4. Step 4: Simplify right side
    5,429.30x = 31,241,907.18
  5. Step 5: Solve for x
    x = 31,241,907.18/5,429.30
  6. Step 6: Final answer
    x = 5,754.32

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1.5x scale

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.