Home / 5,746.48-7,929.18-3,389.09

Finding the Fourth Proportional to 5,746.48, 7,929.18 and 3,389.09

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Solution

The fourth proportional to 5,746.48, 7,929.18 and 3,389.09 is: 4,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.48 : 7,929.18 = 3,389.09 : x
  2. Step 2: Convert to fraction form
    5,746.48/7,929.18 = 3,389.09/x
  3. Step 3: Cross multiply
    5,746.48x = 7,929.18 × 3,389.09
  4. Step 4: Simplify right side
    5,746.48x = 26,872,665.00
  5. Step 5: Solve for x
    x = 26,872,665.00/5,746.48
  6. Step 6: Final answer
    x = 4,676.37

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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.