Home / 2,933.40-4,047.12-1,886.04

Finding the Fourth Proportional to 2,933.40, 4,047.12 and 1,886.04

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Solution

The fourth proportional to 2,933.40, 4,047.12 and 1,886.04 is: 2,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.40 : 4,047.12 = 1,886.04 : x
  2. Step 2: Convert to fraction form
    2,933.40/4,047.12 = 1,886.04/x
  3. Step 3: Cross multiply
    2,933.40x = 4,047.12 × 1,886.04
  4. Step 4: Simplify right side
    2,933.40x = 7,633,030.20
  5. Step 5: Solve for x
    x = 7,633,030.20/2,933.40
  6. Step 6: Final answer
    x = 2,602.11

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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.