Home / 7,229.00-9,971.40-4,680.08

Finding the Fourth Proportional to 7,229.00, 9,971.40 and 4,680.08

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Solution

The fourth proportional to 7,229.00, 9,971.40 and 4,680.08 is: 6,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.00 : 9,971.40 = 4,680.08 : x
  2. Step 2: Convert to fraction form
    7,229.00/9,971.40 = 4,680.08/x
  3. Step 3: Cross multiply
    7,229.00x = 9,971.40 × 4,680.08
  4. Step 4: Simplify right side
    7,229.00x = 46,666,954.80
  5. Step 5: Solve for x
    x = 46,666,954.80/7,229.00
  6. Step 6: Final answer
    x = 6,455.52

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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.