Home / 4,119.12-5,681.61-2,547.99

Finding the Fourth Proportional to 4,119.12, 5,681.61 and 2,547.99

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Solution

The fourth proportional to 4,119.12, 5,681.61 and 2,547.99 is: 3,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.12 : 5,681.61 = 2,547.99 : x
  2. Step 2: Convert to fraction form
    4,119.12/5,681.61 = 2,547.99/x
  3. Step 3: Cross multiply
    4,119.12x = 5,681.61 × 2,547.99
  4. Step 4: Simplify right side
    4,119.12x = 14,476,685.46
  5. Step 5: Solve for x
    x = 14,476,685.46/4,119.12
  6. Step 6: Final answer
    x = 3,514.51

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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.