Home / 3,531.49-5,271.80-3,275.11

Finding the Fourth Proportional to 3,531.49, 5,271.80 and 3,275.11

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Solution

The fourth proportional to 3,531.49, 5,271.80 and 3,275.11 is: 4,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.49 : 5,271.80 = 3,275.11 : x
  2. Step 2: Convert to fraction form
    3,531.49/5,271.80 = 3,275.11/x
  3. Step 3: Cross multiply
    3,531.49x = 5,271.80 × 3,275.11
  4. Step 4: Simplify right side
    3,531.49x = 17,265,724.90
  5. Step 5: Solve for x
    x = 17,265,724.90/3,531.49
  6. Step 6: Final answer
    x = 4,889.08

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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.