Home / 4,146.56-5,722.08-2,378.32

Finding the Fourth Proportional to 4,146.56, 5,722.08 and 2,378.32

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Solution

The fourth proportional to 4,146.56, 5,722.08 and 2,378.32 is: 3,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.56 : 5,722.08 = 2,378.32 : x
  2. Step 2: Convert to fraction form
    4,146.56/5,722.08 = 2,378.32/x
  3. Step 3: Cross multiply
    4,146.56x = 5,722.08 × 2,378.32
  4. Step 4: Simplify right side
    4,146.56x = 13,608,937.31
  5. Step 5: Solve for x
    x = 13,608,937.31/4,146.56
  6. Step 6: Final answer
    x = 3,281.98

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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.