Home / 4,376.24-6,538.74-4,223.12

Finding the Fourth Proportional to 4,376.24, 6,538.74 and 4,223.12

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Solution

The fourth proportional to 4,376.24, 6,538.74 and 4,223.12 is: 6,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.24 : 6,538.74 = 4,223.12 : x
  2. Step 2: Convert to fraction form
    4,376.24/6,538.74 = 4,223.12/x
  3. Step 3: Cross multiply
    4,376.24x = 6,538.74 × 4,223.12
  4. Step 4: Simplify right side
    4,376.24x = 27,613,862.55
  5. Step 5: Solve for x
    x = 27,613,862.55/4,376.24
  6. Step 6: Final answer
    x = 6,309.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.