Home / 4,118.91-5,682.85-2,547.51

Finding the Fourth Proportional to 4,118.91, 5,682.85 and 2,547.51

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Solution

The fourth proportional to 4,118.91, 5,682.85 and 2,547.51 is: 3,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.91 : 5,682.85 = 2,547.51 : x
  2. Step 2: Convert to fraction form
    4,118.91/5,682.85 = 2,547.51/x
  3. Step 3: Cross multiply
    4,118.91x = 5,682.85 × 2,547.51
  4. Step 4: Simplify right side
    4,118.91x = 14,477,117.20
  5. Step 5: Solve for x
    x = 14,477,117.20/4,118.91
  6. Step 6: Final answer
    x = 3,514.79

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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.