Home / 4,701.65-6,485.41-3,108.32

Finding the Fourth Proportional to 4,701.65, 6,485.41 and 3,108.32

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Solution

The fourth proportional to 4,701.65, 6,485.41 and 3,108.32 is: 4,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.65 : 6,485.41 = 3,108.32 : x
  2. Step 2: Convert to fraction form
    4,701.65/6,485.41 = 3,108.32/x
  3. Step 3: Cross multiply
    4,701.65x = 6,485.41 × 3,108.32
  4. Step 4: Simplify right side
    4,701.65x = 20,158,729.61
  5. Step 5: Solve for x
    x = 20,158,729.61/4,701.65
  6. Step 6: Final answer
    x = 4,287.59

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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.