Home / 4,981.14-6,875.19-2,886.48

Finding the Fourth Proportional to 4,981.14, 6,875.19 and 2,886.48

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Solution

The fourth proportional to 4,981.14, 6,875.19 and 2,886.48 is: 3,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.14 : 6,875.19 = 2,886.48 : x
  2. Step 2: Convert to fraction form
    4,981.14/6,875.19 = 2,886.48/x
  3. Step 3: Cross multiply
    4,981.14x = 6,875.19 × 2,886.48
  4. Step 4: Simplify right side
    4,981.14x = 19,845,098.43
  5. Step 5: Solve for x
    x = 19,845,098.43/4,981.14
  6. Step 6: Final answer
    x = 3,984.05

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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.