Home / 3,117.52-4,680.12-2,956.24

Finding the Fourth Proportional to 3,117.52, 4,680.12 and 2,956.24

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Solution

The fourth proportional to 3,117.52, 4,680.12 and 2,956.24 is: 4,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.52 : 4,680.12 = 2,956.24 : x
  2. Step 2: Convert to fraction form
    3,117.52/4,680.12 = 2,956.24/x
  3. Step 3: Cross multiply
    3,117.52x = 4,680.12 × 2,956.24
  4. Step 4: Simplify right side
    3,117.52x = 13,835,557.95
  5. Step 5: Solve for x
    x = 13,835,557.95/3,117.52
  6. Step 6: Final answer
    x = 4,438.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.