Home / 4,215.81-5,817.48-2,423.58

Finding the Fourth Proportional to 4,215.81, 5,817.48 and 2,423.58

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Solution

The fourth proportional to 4,215.81, 5,817.48 and 2,423.58 is: 3,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.81 : 5,817.48 = 2,423.58 : x
  2. Step 2: Convert to fraction form
    4,215.81/5,817.48 = 2,423.58/x
  3. Step 3: Cross multiply
    4,215.81x = 5,817.48 × 2,423.58
  4. Step 4: Simplify right side
    4,215.81x = 14,099,128.18
  5. Step 5: Solve for x
    x = 14,099,128.18/4,215.81
  6. Step 6: Final answer
    x = 3,344.35

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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.