Home / 1,555.26-2,333.70-1,465.62

Finding the Fourth Proportional to 1,555.26, 2,333.70 and 1,465.62

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Solution

The fourth proportional to 1,555.26, 2,333.70 and 1,465.62 is: 2,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.26 : 2,333.70 = 1,465.62 : x
  2. Step 2: Convert to fraction form
    1,555.26/2,333.70 = 1,465.62/x
  3. Step 3: Cross multiply
    1,555.26x = 2,333.70 × 1,465.62
  4. Step 4: Simplify right side
    1,555.26x = 3,420,317.39
  5. Step 5: Solve for x
    x = 3,420,317.39/1,555.26
  6. Step 6: Final answer
    x = 2,199.19

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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.