Home / 2,913.23-4,020.25-1,586.93

Finding the Fourth Proportional to 2,913.23, 4,020.25 and 1,586.93

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Solution

The fourth proportional to 2,913.23, 4,020.25 and 1,586.93 is: 2,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.23 : 4,020.25 = 1,586.93 : x
  2. Step 2: Convert to fraction form
    2,913.23/4,020.25 = 1,586.93/x
  3. Step 3: Cross multiply
    2,913.23x = 4,020.25 × 1,586.93
  4. Step 4: Simplify right side
    2,913.23x = 6,379,867.37
  5. Step 5: Solve for x
    x = 6,379,867.37/2,913.23
  6. Step 6: Final answer
    x = 2,189.96

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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.