Home / 4,625.57-6,385.19-3,135.53

Finding the Fourth Proportional to 4,625.57, 6,385.19 and 3,135.53

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Solution

The fourth proportional to 4,625.57, 6,385.19 and 3,135.53 is: 4,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.57 : 6,385.19 = 3,135.53 : x
  2. Step 2: Convert to fraction form
    4,625.57/6,385.19 = 3,135.53/x
  3. Step 3: Cross multiply
    4,625.57x = 6,385.19 × 3,135.53
  4. Step 4: Simplify right side
    4,625.57x = 20,020,939.12
  5. Step 5: Solve for x
    x = 20,020,939.12/4,625.57
  6. Step 6: Final answer
    x = 4,328.32

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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.