Home / 4,815.95-6,646.28-2,827.08

Finding the Fourth Proportional to 4,815.95, 6,646.28 and 2,827.08

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Solution

The fourth proportional to 4,815.95, 6,646.28 and 2,827.08 is: 3,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.95 : 6,646.28 = 2,827.08 : x
  2. Step 2: Convert to fraction form
    4,815.95/6,646.28 = 2,827.08/x
  3. Step 3: Cross multiply
    4,815.95x = 6,646.28 × 2,827.08
  4. Step 4: Simplify right side
    4,815.95x = 18,789,551.13
  5. Step 5: Solve for x
    x = 18,789,551.13/4,815.95
  6. Step 6: Final answer
    x = 3,901.53

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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.