Home / 3,356.61-4,631.81-3,108.93

Finding the Fourth Proportional to 3,356.61, 4,631.81 and 3,108.93

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Solution

The fourth proportional to 3,356.61, 4,631.81 and 3,108.93 is: 4,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.61 : 4,631.81 = 3,108.93 : x
  2. Step 2: Convert to fraction form
    3,356.61/4,631.81 = 3,108.93/x
  3. Step 3: Cross multiply
    3,356.61x = 4,631.81 × 3,108.93
  4. Step 4: Simplify right side
    3,356.61x = 14,399,957.52
  5. Step 5: Solve for x
    x = 14,399,957.52/3,356.61
  6. Step 6: Final answer
    x = 4,290.03

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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.