Home / 3,149.02-4,341.10-2,085.00

Finding the Fourth Proportional to 3,149.02, 4,341.10 and 2,085.00

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Solution

The fourth proportional to 3,149.02, 4,341.10 and 2,085.00 is: 2,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.02 : 4,341.10 = 2,085.00 : x
  2. Step 2: Convert to fraction form
    3,149.02/4,341.10 = 2,085.00/x
  3. Step 3: Cross multiply
    3,149.02x = 4,341.10 × 2,085.00
  4. Step 4: Simplify right side
    3,149.02x = 9,051,199.14
  5. Step 5: Solve for x
    x = 9,051,199.14/3,149.02
  6. Step 6: Final answer
    x = 2,874.29

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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.