Home / 7,056.96-9,738.96-3,913.08

Finding the Fourth Proportional to 7,056.96, 9,738.96 and 3,913.08

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Solution

The fourth proportional to 7,056.96, 9,738.96 and 3,913.08 is: 5,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.96 : 9,738.96 = 3,913.08 : x
  2. Step 2: Convert to fraction form
    7,056.96/9,738.96 = 3,913.08/x
  3. Step 3: Cross multiply
    7,056.96x = 9,738.96 × 3,913.08
  4. Step 4: Simplify right side
    7,056.96x = 38,109,329.60
  5. Step 5: Solve for x
    x = 38,109,329.60/7,056.96
  6. Step 6: Final answer
    x = 5,400.25

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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.