Home / 5,925.70-8,178.10-3,407.92

Finding the Fourth Proportional to 5,925.70, 8,178.10 and 3,407.92

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Solution

The fourth proportional to 5,925.70, 8,178.10 and 3,407.92 is: 4,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,925.70 : 8,178.10 = 3,407.92 : x
  2. Step 2: Convert to fraction form
    5,925.70/8,178.10 = 3,407.92/x
  3. Step 3: Cross multiply
    5,925.70x = 8,178.10 × 3,407.92
  4. Step 4: Simplify right side
    5,925.70x = 27,870,310.55
  5. Step 5: Solve for x
    x = 27,870,310.55/5,925.70
  6. Step 6: Final answer
    x = 4,703.29

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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.