Home / 4,712.56-6,501.06-3,118.82

Finding the Fourth Proportional to 4,712.56, 6,501.06 and 3,118.82

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Solution

The fourth proportional to 4,712.56, 6,501.06 and 3,118.82 is: 4,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.56 : 6,501.06 = 3,118.82 : x
  2. Step 2: Convert to fraction form
    4,712.56/6,501.06 = 3,118.82/x
  3. Step 3: Cross multiply
    4,712.56x = 6,501.06 × 3,118.82
  4. Step 4: Simplify right side
    4,712.56x = 20,275,603.44
  5. Step 5: Solve for x
    x = 20,275,603.44/4,712.56
  6. Step 6: Final answer
    x = 4,302.46

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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.