Home / 4,222.40-5,827.20-2,359.04

Finding the Fourth Proportional to 4,222.40, 5,827.20 and 2,359.04

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Solution

The fourth proportional to 4,222.40, 5,827.20 and 2,359.04 is: 3,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.40 : 5,827.20 = 2,359.04 : x
  2. Step 2: Convert to fraction form
    4,222.40/5,827.20 = 2,359.04/x
  3. Step 3: Cross multiply
    4,222.40x = 5,827.20 × 2,359.04
  4. Step 4: Simplify right side
    4,222.40x = 13,746,597.89
  5. Step 5: Solve for x
    x = 13,746,597.89/4,222.40
  6. Step 6: Final answer
    x = 3,255.64

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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.