Home / 7,667.40-10,581.30-4,643.52

Finding the Fourth Proportional to 7,667.40, 10,581.30 and 4,643.52

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Solution

The fourth proportional to 7,667.40, 10,581.30 and 4,643.52 is: 6,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.40 : 10,581.30 = 4,643.52 : x
  2. Step 2: Convert to fraction form
    7,667.40/10,581.30 = 4,643.52/x
  3. Step 3: Cross multiply
    7,667.40x = 10,581.30 × 4,643.52
  4. Step 4: Simplify right side
    7,667.40x = 49,134,478.18
  5. Step 5: Solve for x
    x = 49,134,478.18/7,667.40
  6. Step 6: Final answer
    x = 6,408.23

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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.