Home / 1,045.64-1,452.66-1,036.13

Finding the Fourth Proportional to 1,045.64, 1,452.66 and 1,036.13

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Solution

The fourth proportional to 1,045.64, 1,452.66 and 1,036.13 is: 1,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.64 : 1,452.66 = 1,036.13 : x
  2. Step 2: Convert to fraction form
    1,045.64/1,452.66 = 1,036.13/x
  3. Step 3: Cross multiply
    1,045.64x = 1,452.66 × 1,036.13
  4. Step 4: Simplify right side
    1,045.64x = 1,505,137.34
  5. Step 5: Solve for x
    x = 1,505,137.34/1,045.64
  6. Step 6: Final answer
    x = 1,439.45

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.