Home / 6,302.80-8,698.08-3,614.48

Finding the Fourth Proportional to 6,302.80, 8,698.08 and 3,614.48

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Solution

The fourth proportional to 6,302.80, 8,698.08 and 3,614.48 is: 4,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302.80 : 8,698.08 = 3,614.48 : x
  2. Step 2: Convert to fraction form
    6,302.80/8,698.08 = 3,614.48/x
  3. Step 3: Cross multiply
    6,302.80x = 8,698.08 × 3,614.48
  4. Step 4: Simplify right side
    6,302.80x = 31,439,036.20
  5. Step 5: Solve for x
    x = 31,439,036.20/6,302.80
  6. Step 6: Final answer
    x = 4,988.11

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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.