Home / 1,135.58-1,566.29-1,097.48

Finding the Fourth Proportional to 1,135.58, 1,566.29 and 1,097.48

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Solution

The fourth proportional to 1,135.58, 1,566.29 and 1,097.48 is: 1,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.58 : 1,566.29 = 1,097.48 : x
  2. Step 2: Convert to fraction form
    1,135.58/1,566.29 = 1,097.48/x
  3. Step 3: Cross multiply
    1,135.58x = 1,566.29 × 1,097.48
  4. Step 4: Simplify right side
    1,135.58x = 1,718,964.12
  5. Step 5: Solve for x
    x = 1,718,964.12/1,135.58
  6. Step 6: Final answer
    x = 1,513.74

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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.