Home / 1,532.68-2,113.08-1,512.02

Finding the Fourth Proportional to 1,532.68, 2,113.08 and 1,512.02

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Solution

The fourth proportional to 1,532.68, 2,113.08 and 1,512.02 is: 2,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.68 : 2,113.08 = 1,512.02 : x
  2. Step 2: Convert to fraction form
    1,532.68/2,113.08 = 1,512.02/x
  3. Step 3: Cross multiply
    1,532.68x = 2,113.08 × 1,512.02
  4. Step 4: Simplify right side
    1,532.68x = 3,195,019.22
  5. Step 5: Solve for x
    x = 3,195,019.22/1,532.68
  6. Step 6: Final answer
    x = 2,084.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.