Home / 4,047.95-5,585.95-2,278.91

Finding the Fourth Proportional to 4,047.95, 5,585.95 and 2,278.91

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Solution

The fourth proportional to 4,047.95, 5,585.95 and 2,278.91 is: 3,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.95 : 5,585.95 = 2,278.91 : x
  2. Step 2: Convert to fraction form
    4,047.95/5,585.95 = 2,278.91/x
  3. Step 3: Cross multiply
    4,047.95x = 5,585.95 × 2,278.91
  4. Step 4: Simplify right side
    4,047.95x = 12,729,877.31
  5. Step 5: Solve for x
    x = 12,729,877.31/4,047.95
  6. Step 6: Final answer
    x = 3,144.77

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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.