Home / 1,055.76-1,585.26-1,036.32

Finding the Fourth Proportional to 1,055.76, 1,585.26 and 1,036.32

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Solution

The fourth proportional to 1,055.76, 1,585.26 and 1,036.32 is: 1,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.76 : 1,585.26 = 1,036.32 : x
  2. Step 2: Convert to fraction form
    1,055.76/1,585.26 = 1,036.32/x
  3. Step 3: Cross multiply
    1,055.76x = 1,585.26 × 1,036.32
  4. Step 4: Simplify right side
    1,055.76x = 1,642,836.64
  5. Step 5: Solve for x
    x = 1,642,836.64/1,055.76
  6. Step 6: Final answer
    x = 1,556.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.