Home / 7,050.04-9,728.52-3,906.16

Finding the Fourth Proportional to 7,050.04, 9,728.52 and 3,906.16

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Solution

The fourth proportional to 7,050.04, 9,728.52 and 3,906.16 is: 5,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.04 : 9,728.52 = 3,906.16 : x
  2. Step 2: Convert to fraction form
    7,050.04/9,728.52 = 3,906.16/x
  3. Step 3: Cross multiply
    7,050.04x = 9,728.52 × 3,906.16
  4. Step 4: Simplify right side
    7,050.04x = 38,001,155.68
  5. Step 5: Solve for x
    x = 38,001,155.68/7,050.04
  6. Step 6: Final answer
    x = 5,390.20

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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.