Home / 3,929.19-5,897.65-2,886.26

Finding the Fourth Proportional to 3,929.19, 5,897.65 and 2,886.26

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Solution

The fourth proportional to 3,929.19, 5,897.65 and 2,886.26 is: 4,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.19 : 5,897.65 = 2,886.26 : x
  2. Step 2: Convert to fraction form
    3,929.19/5,897.65 = 2,886.26/x
  3. Step 3: Cross multiply
    3,929.19x = 5,897.65 × 2,886.26
  4. Step 4: Simplify right side
    3,929.19x = 17,022,151.29
  5. Step 5: Solve for x
    x = 17,022,151.29/3,929.19
  6. Step 6: Final answer
    x = 4,332.23

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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.