Home / 1,533.57-2,116.96-1,036.88

Finding the Fourth Proportional to 1,533.57, 2,116.96 and 1,036.88

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Solution

The fourth proportional to 1,533.57, 2,116.96 and 1,036.88 is: 1,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.57 : 2,116.96 = 1,036.88 : x
  2. Step 2: Convert to fraction form
    1,533.57/2,116.96 = 1,036.88/x
  3. Step 3: Cross multiply
    1,533.57x = 2,116.96 × 1,036.88
  4. Step 4: Simplify right side
    1,533.57x = 2,195,028.25
  5. Step 5: Solve for x
    x = 2,195,028.25/1,533.57
  6. Step 6: Final answer
    x = 1,431.32

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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.