Home / 3,528.71-5,296.51-1,681.10

Finding the Fourth Proportional to 3,528.71, 5,296.51 and 1,681.10

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Solution

The fourth proportional to 3,528.71, 5,296.51 and 1,681.10 is: 2,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.71 : 5,296.51 = 1,681.10 : x
  2. Step 2: Convert to fraction form
    3,528.71/5,296.51 = 1,681.10/x
  3. Step 3: Cross multiply
    3,528.71x = 5,296.51 × 1,681.10
  4. Step 4: Simplify right side
    3,528.71x = 8,903,932.28
  5. Step 5: Solve for x
    x = 8,903,932.28/3,528.71
  6. Step 6: Final answer
    x = 2,523.29

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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.