Home / 2,872.08-4,303.20-1,574.44

Finding the Fourth Proportional to 2,872.08, 4,303.20 and 1,574.44

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Solution

The fourth proportional to 2,872.08, 4,303.20 and 1,574.44 is: 2,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.08 : 4,303.20 = 1,574.44 : x
  2. Step 2: Convert to fraction form
    2,872.08/4,303.20 = 1,574.44/x
  3. Step 3: Cross multiply
    2,872.08x = 4,303.20 × 1,574.44
  4. Step 4: Simplify right side
    2,872.08x = 6,775,130.21
  5. Step 5: Solve for x
    x = 6,775,130.21/2,872.08
  6. Step 6: Final answer
    x = 2,358.96

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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.