Home / 6,469.02-8,920.18-4,369.50

Finding the Fourth Proportional to 6,469.02, 8,920.18 and 4,369.50

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Solution

The fourth proportional to 6,469.02, 8,920.18 and 4,369.50 is: 6,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.02 : 8,920.18 = 4,369.50 : x
  2. Step 2: Convert to fraction form
    6,469.02/8,920.18 = 4,369.50/x
  3. Step 3: Cross multiply
    6,469.02x = 8,920.18 × 4,369.50
  4. Step 4: Simplify right side
    6,469.02x = 38,976,726.51
  5. Step 5: Solve for x
    x = 38,976,726.51/6,469.02
  6. Step 6: Final answer
    x = 6,025.14

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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.