Home / 2,587.11-3,569.08-1,747.51

Finding the Fourth Proportional to 2,587.11, 3,569.08 and 1,747.51

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Solution

The fourth proportional to 2,587.11, 3,569.08 and 1,747.51 is: 2,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.11 : 3,569.08 = 1,747.51 : x
  2. Step 2: Convert to fraction form
    2,587.11/3,569.08 = 1,747.51/x
  3. Step 3: Cross multiply
    2,587.11x = 3,569.08 × 1,747.51
  4. Step 4: Simplify right side
    2,587.11x = 6,236,994.78
  5. Step 5: Solve for x
    x = 6,236,994.78/2,587.11
  6. Step 6: Final answer
    x = 2,410.80

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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.