Home / 3,031.75-4,547.49-1,057.84

Finding the Fourth Proportional to 3,031.75, 4,547.49 and 1,057.84

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Solution

The fourth proportional to 3,031.75, 4,547.49 and 1,057.84 is: 1,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.75 : 4,547.49 = 1,057.84 : x
  2. Step 2: Convert to fraction form
    3,031.75/4,547.49 = 1,057.84/x
  3. Step 3: Cross multiply
    3,031.75x = 4,547.49 × 1,057.84
  4. Step 4: Simplify right side
    3,031.75x = 4,810,516.82
  5. Step 5: Solve for x
    x = 4,810,516.82/3,031.75
  6. Step 6: Final answer
    x = 1,586.71

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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.