Home / 4,019.80-5,547.06-2,251

Finding the Fourth Proportional to 4,019.80, 5,547.06 and 2,251

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Solution

The fourth proportional to 4,019.80, 5,547.06 and 2,251 is: 3,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.80 : 5,547.06 = 2,251 : x
  2. Step 2: Convert to fraction form
    4,019.80/5,547.06 = 2,251/x
  3. Step 3: Cross multiply
    4,019.80x = 5,547.06 × 2,251
  4. Step 4: Simplify right side
    4,019.80x = 12,486,432.06
  5. Step 5: Solve for x
    x = 12,486,432.06/4,019.80
  6. Step 6: Final answer
    x = 3,106.23

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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.