Home / 4,109.32-5,671.04-2,317.40

Finding the Fourth Proportional to 4,109.32, 5,671.04 and 2,317.40

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Solution

The fourth proportional to 4,109.32, 5,671.04 and 2,317.40 is: 3,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.32 : 5,671.04 = 2,317.40 : x
  2. Step 2: Convert to fraction form
    4,109.32/5,671.04 = 2,317.40/x
  3. Step 3: Cross multiply
    4,109.32x = 5,671.04 × 2,317.40
  4. Step 4: Simplify right side
    4,109.32x = 13,142,068.10
  5. Step 5: Solve for x
    x = 13,142,068.10/4,109.32
  6. Step 6: Final answer
    x = 3,198.11

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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.