Home / 4,215.69-6,324.57-3,031.07

Finding the Fourth Proportional to 4,215.69, 6,324.57 and 3,031.07

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Solution

The fourth proportional to 4,215.69, 6,324.57 and 3,031.07 is: 4,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.69 : 6,324.57 = 3,031.07 : x
  2. Step 2: Convert to fraction form
    4,215.69/6,324.57 = 3,031.07/x
  3. Step 3: Cross multiply
    4,215.69x = 6,324.57 × 3,031.07
  4. Step 4: Simplify right side
    4,215.69x = 19,170,182.77
  5. Step 5: Solve for x
    x = 19,170,182.77/4,215.69
  6. Step 6: Final answer
    x = 4,547.34

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1.5x scale

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.