Home / 2,900.18-4,002.24-1,573.87

Finding the Fourth Proportional to 2,900.18, 4,002.24 and 1,573.87

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Solution

The fourth proportional to 2,900.18, 4,002.24 and 1,573.87 is: 2,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.18 : 4,002.24 = 1,573.87 : x
  2. Step 2: Convert to fraction form
    2,900.18/4,002.24 = 1,573.87/x
  3. Step 3: Cross multiply
    2,900.18x = 4,002.24 × 1,573.87
  4. Step 4: Simplify right side
    2,900.18x = 6,299,005.47
  5. Step 5: Solve for x
    x = 6,299,005.47/2,900.18
  6. Step 6: Final answer
    x = 2,171.94

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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.