Home / 4,609.12-6,904.72-2,756.32

Finding the Fourth Proportional to 4,609.12, 6,904.72 and 2,756.32

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Solution

The fourth proportional to 4,609.12, 6,904.72 and 2,756.32 is: 4,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.12 : 6,904.72 = 2,756.32 : x
  2. Step 2: Convert to fraction form
    4,609.12/6,904.72 = 2,756.32/x
  3. Step 3: Cross multiply
    4,609.12x = 6,904.72 × 2,756.32
  4. Step 4: Simplify right side
    4,609.12x = 19,031,617.83
  5. Step 5: Solve for x
    x = 19,031,617.83/4,609.12
  6. Step 6: Final answer
    x = 4,129.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.