Home / 5,695.52-7,859.58-3,177.59

Finding the Fourth Proportional to 5,695.52, 7,859.58 and 3,177.59

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Solution

The fourth proportional to 5,695.52, 7,859.58 and 3,177.59 is: 4,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.52 : 7,859.58 = 3,177.59 : x
  2. Step 2: Convert to fraction form
    5,695.52/7,859.58 = 3,177.59/x
  3. Step 3: Cross multiply
    5,695.52x = 7,859.58 × 3,177.59
  4. Step 4: Simplify right side
    5,695.52x = 24,974,522.81
  5. Step 5: Solve for x
    x = 24,974,522.81/5,695.52
  6. Step 6: Final answer
    x = 4,384.94

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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.