Home / 1,488.16-2,235.66-1,050.42

Finding the Fourth Proportional to 1,488.16, 2,235.66 and 1,050.42

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Solution

The fourth proportional to 1,488.16, 2,235.66 and 1,050.42 is: 1,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.16 : 2,235.66 = 1,050.42 : x
  2. Step 2: Convert to fraction form
    1,488.16/2,235.66 = 1,050.42/x
  3. Step 3: Cross multiply
    1,488.16x = 2,235.66 × 1,050.42
  4. Step 4: Simplify right side
    1,488.16x = 2,348,381.98
  5. Step 5: Solve for x
    x = 2,348,381.98/1,488.16
  6. Step 6: Final answer
    x = 1,578.04

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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.