Home / 2,116.10-2,920.52-1,232.39

Finding the Fourth Proportional to 2,116.10, 2,920.52 and 1,232.39

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Solution

The fourth proportional to 2,116.10, 2,920.52 and 1,232.39 is: 1,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.10 : 2,920.52 = 1,232.39 : x
  2. Step 2: Convert to fraction form
    2,116.10/2,920.52 = 1,232.39/x
  3. Step 3: Cross multiply
    2,116.10x = 2,920.52 × 1,232.39
  4. Step 4: Simplify right side
    2,116.10x = 3,599,219.64
  5. Step 5: Solve for x
    x = 3,599,219.64/2,116.10
  6. Step 6: Final answer
    x = 1,700.87

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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.