Home / 3,713.85-5,547.08-3,195.45

Finding the Fourth Proportional to 3,713.85, 5,547.08 and 3,195.45

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Solution

The fourth proportional to 3,713.85, 5,547.08 and 3,195.45 is: 4,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.85 : 5,547.08 = 3,195.45 : x
  2. Step 2: Convert to fraction form
    3,713.85/5,547.08 = 3,195.45/x
  3. Step 3: Cross multiply
    3,713.85x = 5,547.08 × 3,195.45
  4. Step 4: Simplify right side
    3,713.85x = 17,725,424.77
  5. Step 5: Solve for x
    x = 17,725,424.77/3,713.85
  6. Step 6: Final answer
    x = 4,772.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.