Home / 2,589.76-3,575.34-1,707.10

Finding the Fourth Proportional to 2,589.76, 3,575.34 and 1,707.10

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Solution

The fourth proportional to 2,589.76, 3,575.34 and 1,707.10 is: 2,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.76 : 3,575.34 = 1,707.10 : x
  2. Step 2: Convert to fraction form
    2,589.76/3,575.34 = 1,707.10/x
  3. Step 3: Cross multiply
    2,589.76x = 3,575.34 × 1,707.10
  4. Step 4: Simplify right side
    2,589.76x = 6,103,462.91
  5. Step 5: Solve for x
    x = 6,103,462.91/2,589.76
  6. Step 6: Final answer
    x = 2,356.77

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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.