Home / 2,985.30-4,470.84-1,667.01

Finding the Fourth Proportional to 2,985.30, 4,470.84 and 1,667.01

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Solution

The fourth proportional to 2,985.30, 4,470.84 and 1,667.01 is: 2,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.30 : 4,470.84 = 1,667.01 : x
  2. Step 2: Convert to fraction form
    2,985.30/4,470.84 = 1,667.01/x
  3. Step 3: Cross multiply
    2,985.30x = 4,470.84 × 1,667.01
  4. Step 4: Simplify right side
    2,985.30x = 7,452,934.99
  5. Step 5: Solve for x
    x = 7,452,934.99/2,985.30
  6. Step 6: Final answer
    x = 2,496.54

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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.