Home / 5,729.01-7,899.80-4,976.52

Finding the Fourth Proportional to 5,729.01, 7,899.80 and 4,976.52

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Solution

The fourth proportional to 5,729.01, 7,899.80 and 4,976.52 is: 6,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.01 : 7,899.80 = 4,976.52 : x
  2. Step 2: Convert to fraction form
    5,729.01/7,899.80 = 4,976.52/x
  3. Step 3: Cross multiply
    5,729.01x = 7,899.80 × 4,976.52
  4. Step 4: Simplify right side
    5,729.01x = 39,313,487.81
  5. Step 5: Solve for x
    x = 39,313,487.81/5,729.01
  6. Step 6: Final answer
    x = 6,862.18

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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.