Home / 7,052.16-9,731.88-3,908.34

Finding the Fourth Proportional to 7,052.16, 9,731.88 and 3,908.34

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Solution

The fourth proportional to 7,052.16, 9,731.88 and 3,908.34 is: 5,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.16 : 9,731.88 = 3,908.34 : x
  2. Step 2: Convert to fraction form
    7,052.16/9,731.88 = 3,908.34/x
  3. Step 3: Cross multiply
    7,052.16x = 9,731.88 × 3,908.34
  4. Step 4: Simplify right side
    7,052.16x = 38,035,495.88
  5. Step 5: Solve for x
    x = 38,035,495.88/7,052.16
  6. Step 6: Final answer
    x = 5,393.45

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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.