Home / 4,124.10-6,186.15-1,657.65

Finding the Fourth Proportional to 4,124.10, 6,186.15 and 1,657.65

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Solution

The fourth proportional to 4,124.10, 6,186.15 and 1,657.65 is: 2,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.10 : 6,186.15 = 1,657.65 : x
  2. Step 2: Convert to fraction form
    4,124.10/6,186.15 = 1,657.65/x
  3. Step 3: Cross multiply
    4,124.10x = 6,186.15 × 1,657.65
  4. Step 4: Simplify right side
    4,124.10x = 10,254,471.55
  5. Step 5: Solve for x
    x = 10,254,471.55/4,124.10
  6. Step 6: Final answer
    x = 2,486.48

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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.