Home / 2,991.04-4,123.92-2,360.32

Finding the Fourth Proportional to 2,991.04, 4,123.92 and 2,360.32

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Solution

The fourth proportional to 2,991.04, 4,123.92 and 2,360.32 is: 3,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.04 : 4,123.92 = 2,360.32 : x
  2. Step 2: Convert to fraction form
    2,991.04/4,123.92 = 2,360.32/x
  3. Step 3: Cross multiply
    2,991.04x = 4,123.92 × 2,360.32
  4. Step 4: Simplify right side
    2,991.04x = 9,733,770.85
  5. Step 5: Solve for x
    x = 9,733,770.85/2,991.04
  6. Step 6: Final answer
    x = 3,254.31

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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.