Home / 5,870.16-8,100.36-3,385.68

Finding the Fourth Proportional to 5,870.16, 8,100.36 and 3,385.68

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Solution

The fourth proportional to 5,870.16, 8,100.36 and 3,385.68 is: 4,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.16 : 8,100.36 = 3,385.68 : x
  2. Step 2: Convert to fraction form
    5,870.16/8,100.36 = 3,385.68/x
  3. Step 3: Cross multiply
    5,870.16x = 8,100.36 × 3,385.68
  4. Step 4: Simplify right side
    5,870.16x = 27,425,226.84
  5. Step 5: Solve for x
    x = 27,425,226.84/5,870.16
  6. Step 6: Final answer
    x = 4,671.97

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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.