Home / 2,587.62-3,569.58-1,747.20

Finding the Fourth Proportional to 2,587.62, 3,569.58 and 1,747.20

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Solution

The fourth proportional to 2,587.62, 3,569.58 and 1,747.20 is: 2,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.62 : 3,569.58 = 1,747.20 : x
  2. Step 2: Convert to fraction form
    2,587.62/3,569.58 = 1,747.20/x
  3. Step 3: Cross multiply
    2,587.62x = 3,569.58 × 1,747.20
  4. Step 4: Simplify right side
    2,587.62x = 6,236,770.18
  5. Step 5: Solve for x
    x = 6,236,770.18/2,587.62
  6. Step 6: Final answer
    x = 2,410.23

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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.