Home / 7,313.28-10,090.56-4,168.32

Finding the Fourth Proportional to 7,313.28, 10,090.56 and 4,168.32

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Solution

The fourth proportional to 7,313.28, 10,090.56 and 4,168.32 is: 5,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.28 : 10,090.56 = 4,168.32 : x
  2. Step 2: Convert to fraction form
    7,313.28/10,090.56 = 4,168.32/x
  3. Step 3: Cross multiply
    7,313.28x = 10,090.56 × 4,168.32
  4. Step 4: Simplify right side
    7,313.28x = 42,060,683.06
  5. Step 5: Solve for x
    x = 42,060,683.06/7,313.28
  6. Step 6: Final answer
    x = 5,751.27

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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.