Home / 2,116.19-2,920.29-1,232.17

Finding the Fourth Proportional to 2,116.19, 2,920.29 and 1,232.17

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Solution

The fourth proportional to 2,116.19, 2,920.29 and 1,232.17 is: 1,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.19 : 2,920.29 = 1,232.17 : x
  2. Step 2: Convert to fraction form
    2,116.19/2,920.29 = 1,232.17/x
  3. Step 3: Cross multiply
    2,116.19x = 2,920.29 × 1,232.17
  4. Step 4: Simplify right side
    2,116.19x = 3,598,279.13
  5. Step 5: Solve for x
    x = 3,598,279.13/2,116.19
  6. Step 6: Final answer
    x = 1,700.36

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Half scale
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Double scale
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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.