Home / 5,302.17-7,317.08-2,879.54

Finding the Fourth Proportional to 5,302.17, 7,317.08 and 2,879.54

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Solution

The fourth proportional to 5,302.17, 7,317.08 and 2,879.54 is: 3,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.17 : 7,317.08 = 2,879.54 : x
  2. Step 2: Convert to fraction form
    5,302.17/7,317.08 = 2,879.54/x
  3. Step 3: Cross multiply
    5,302.17x = 7,317.08 × 2,879.54
  4. Step 4: Simplify right side
    5,302.17x = 21,069,787.96
  5. Step 5: Solve for x
    x = 21,069,787.96/5,302.17
  6. Step 6: Final answer
    x = 3,973.80

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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.