Home / 5,357.91-8,036.76-2,897.55

Finding the Fourth Proportional to 5,357.91, 8,036.76 and 2,897.55

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Solution

The fourth proportional to 5,357.91, 8,036.76 and 2,897.55 is: 4,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.91 : 8,036.76 = 2,897.55 : x
  2. Step 2: Convert to fraction form
    5,357.91/8,036.76 = 2,897.55/x
  3. Step 3: Cross multiply
    5,357.91x = 8,036.76 × 2,897.55
  4. Step 4: Simplify right side
    5,357.91x = 23,286,913.94
  5. Step 5: Solve for x
    x = 23,286,913.94/5,357.91
  6. Step 6: Final answer
    x = 4,346.27

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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.