Home / 3,152.32-4,350.40-1,755.08

Finding the Fourth Proportional to 3,152.32, 4,350.40 and 1,755.08

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Solution

The fourth proportional to 3,152.32, 4,350.40 and 1,755.08 is: 2,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.32 : 4,350.40 = 1,755.08 : x
  2. Step 2: Convert to fraction form
    3,152.32/4,350.40 = 1,755.08/x
  3. Step 3: Cross multiply
    3,152.32x = 4,350.40 × 1,755.08
  4. Step 4: Simplify right side
    3,152.32x = 7,635,300.03
  5. Step 5: Solve for x
    x = 7,635,300.03/3,152.32
  6. Step 6: Final answer
    x = 2,422.12

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1.5x scale

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.