Home / 4,905.92-7,342.68-3,058.40

Finding the Fourth Proportional to 4,905.92, 7,342.68 and 3,058.40

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Solution

The fourth proportional to 4,905.92, 7,342.68 and 3,058.40 is: 4,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.92 : 7,342.68 = 3,058.40 : x
  2. Step 2: Convert to fraction form
    4,905.92/7,342.68 = 3,058.40/x
  3. Step 3: Cross multiply
    4,905.92x = 7,342.68 × 3,058.40
  4. Step 4: Simplify right side
    4,905.92x = 22,456,852.51
  5. Step 5: Solve for x
    x = 22,456,852.51/4,905.92
  6. Step 6: Final answer
    x = 4,577.50

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1.5x scale

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.