Home / 4,509.32-6,225.21-3,109.64

Finding the Fourth Proportional to 4,509.32, 6,225.21 and 3,109.64

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Solution

The fourth proportional to 4,509.32, 6,225.21 and 3,109.64 is: 4,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.32 : 6,225.21 = 3,109.64 : x
  2. Step 2: Convert to fraction form
    4,509.32/6,225.21 = 3,109.64/x
  3. Step 3: Cross multiply
    4,509.32x = 6,225.21 × 3,109.64
  4. Step 4: Simplify right side
    4,509.32x = 19,358,130.90
  5. Step 5: Solve for x
    x = 19,358,130.90/4,509.32
  6. Step 6: Final answer
    x = 4,292.92

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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.