Home / 4,072.32-5,620.08-2,303.93

Finding the Fourth Proportional to 4,072.32, 5,620.08 and 2,303.93

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Solution

The fourth proportional to 4,072.32, 5,620.08 and 2,303.93 is: 3,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.32 : 5,620.08 = 2,303.93 : x
  2. Step 2: Convert to fraction form
    4,072.32/5,620.08 = 2,303.93/x
  3. Step 3: Cross multiply
    4,072.32x = 5,620.08 × 2,303.93
  4. Step 4: Simplify right side
    4,072.32x = 12,948,242.81
  5. Step 5: Solve for x
    x = 12,948,242.81/4,072.32
  6. Step 6: Final answer
    x = 3,179.57

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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.