Home / 5,897.92-8,139.36-3,541.12

Finding the Fourth Proportional to 5,897.92, 8,139.36 and 3,541.12

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Solution

The fourth proportional to 5,897.92, 8,139.36 and 3,541.12 is: 4,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.92 : 8,139.36 = 3,541.12 : x
  2. Step 2: Convert to fraction form
    5,897.92/8,139.36 = 3,541.12/x
  3. Step 3: Cross multiply
    5,897.92x = 8,139.36 × 3,541.12
  4. Step 4: Simplify right side
    5,897.92x = 28,822,450.48
  5. Step 5: Solve for x
    x = 28,822,450.48/5,897.92
  6. Step 6: Final answer
    x = 4,886.88

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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.