Home / 3,101.10-4,276.59-2,036.99

Finding the Fourth Proportional to 3,101.10, 4,276.59 and 2,036.99

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Solution

The fourth proportional to 3,101.10, 4,276.59 and 2,036.99 is: 2,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.10 : 4,276.59 = 2,036.99 : x
  2. Step 2: Convert to fraction form
    3,101.10/4,276.59 = 2,036.99/x
  3. Step 3: Cross multiply
    3,101.10x = 4,276.59 × 2,036.99
  4. Step 4: Simplify right side
    3,101.10x = 8,711,384.24
  5. Step 5: Solve for x
    x = 8,711,384.24/3,101.10
  6. Step 6: Final answer
    x = 2,809.12

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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.