Home / 2,623.99-3,621.10-1,445.06

Finding the Fourth Proportional to 2,623.99, 3,621.10 and 1,445.06

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Solution

The fourth proportional to 2,623.99, 3,621.10 and 1,445.06 is: 1,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.99 : 3,621.10 = 1,445.06 : x
  2. Step 2: Convert to fraction form
    2,623.99/3,621.10 = 1,445.06/x
  3. Step 3: Cross multiply
    2,623.99x = 3,621.10 × 1,445.06
  4. Step 4: Simplify right side
    2,623.99x = 5,232,706.77
  5. Step 5: Solve for x
    x = 5,232,706.77/2,623.99
  6. Step 6: Final answer
    x = 1,994.18

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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.