Home / 4,147.02-5,722.59-2,378.58

Finding the Fourth Proportional to 4,147.02, 5,722.59 and 2,378.58

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Solution

The fourth proportional to 4,147.02, 5,722.59 and 2,378.58 is: 3,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.02 : 5,722.59 = 2,378.58 : x
  2. Step 2: Convert to fraction form
    4,147.02/5,722.59 = 2,378.58/x
  3. Step 3: Cross multiply
    4,147.02x = 5,722.59 × 2,378.58
  4. Step 4: Simplify right side
    4,147.02x = 13,611,638.12
  5. Step 5: Solve for x
    x = 13,611,638.12/4,147.02
  6. Step 6: Final answer
    x = 3,282.27

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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.