Home / 6,127.72-8,456.36-3,475.08

Finding the Fourth Proportional to 6,127.72, 8,456.36 and 3,475.08

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Solution

The fourth proportional to 6,127.72, 8,456.36 and 3,475.08 is: 4,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.72 : 8,456.36 = 3,475.08 : x
  2. Step 2: Convert to fraction form
    6,127.72/8,456.36 = 3,475.08/x
  3. Step 3: Cross multiply
    6,127.72x = 8,456.36 × 3,475.08
  4. Step 4: Simplify right side
    6,127.72x = 29,386,527.51
  5. Step 5: Solve for x
    x = 29,386,527.51/6,127.72
  6. Step 6: Final answer
    x = 4,795.67

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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.