Home / 3,125.32-4,313-1,799.28

Finding the Fourth Proportional to 3,125.32, 4,313 and 1,799.28

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Solution

The fourth proportional to 3,125.32, 4,313 and 1,799.28 is: 2,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.32 : 4,313 = 1,799.28 : x
  2. Step 2: Convert to fraction form
    3,125.32/4,313 = 1,799.28/x
  3. Step 3: Cross multiply
    3,125.32x = 4,313 × 1,799.28
  4. Step 4: Simplify right side
    3,125.32x = 7,760,294.64
  5. Step 5: Solve for x
    x = 7,760,294.64/3,125.32
  6. Step 6: Final answer
    x = 2,483.04

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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.