Home / 2,331.18-3,217.56-1,586.93

Finding the Fourth Proportional to 2,331.18, 3,217.56 and 1,586.93

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Solution

The fourth proportional to 2,331.18, 3,217.56 and 1,586.93 is: 2,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.18 : 3,217.56 = 1,586.93 : x
  2. Step 2: Convert to fraction form
    2,331.18/3,217.56 = 1,586.93/x
  3. Step 3: Cross multiply
    2,331.18x = 3,217.56 × 1,586.93
  4. Step 4: Simplify right side
    2,331.18x = 5,106,020.45
  5. Step 5: Solve for x
    x = 5,106,020.45/2,331.18
  6. Step 6: Final answer
    x = 2,190.32

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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.