Home / 1,063.12-1,590.58-1,060.39

Finding the Fourth Proportional to 1,063.12, 1,590.58 and 1,060.39

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Solution

The fourth proportional to 1,063.12, 1,590.58 and 1,060.39 is: 1,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.12 : 1,590.58 = 1,060.39 : x
  2. Step 2: Convert to fraction form
    1,063.12/1,590.58 = 1,060.39/x
  3. Step 3: Cross multiply
    1,063.12x = 1,590.58 × 1,060.39
  4. Step 4: Simplify right side
    1,063.12x = 1,686,621.87
  5. Step 5: Solve for x
    x = 1,686,621.87/1,063.12
  6. Step 6: Final answer
    x = 1,586.48

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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.