Home / 5,967.12-8,235.36-3,870.48

Finding the Fourth Proportional to 5,967.12, 8,235.36 and 3,870.48

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Solution

The fourth proportional to 5,967.12, 8,235.36 and 3,870.48 is: 5,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.12 : 8,235.36 = 3,870.48 : x
  2. Step 2: Convert to fraction form
    5,967.12/8,235.36 = 3,870.48/x
  3. Step 3: Cross multiply
    5,967.12x = 8,235.36 × 3,870.48
  4. Step 4: Simplify right side
    5,967.12x = 31,874,796.17
  5. Step 5: Solve for x
    x = 31,874,796.17/5,967.12
  6. Step 6: Final answer
    x = 5,341.74

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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.