Home / 2,095.21-3,138.04-1,000.35

Finding the Fourth Proportional to 2,095.21, 3,138.04 and 1,000.35

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Solution

The fourth proportional to 2,095.21, 3,138.04 and 1,000.35 is: 1,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.21 : 3,138.04 = 1,000.35 : x
  2. Step 2: Convert to fraction form
    2,095.21/3,138.04 = 1,000.35/x
  3. Step 3: Cross multiply
    2,095.21x = 3,138.04 × 1,000.35
  4. Step 4: Simplify right side
    2,095.21x = 3,139,122.17
  5. Step 5: Solve for x
    x = 3,139,122.17/2,095.21
  6. Step 6: Final answer
    x = 1,498.24

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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.