Home / 5,281.58-7,288.48-2,923.74

Finding the Fourth Proportional to 5,281.58, 7,288.48 and 2,923.74

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Solution

The fourth proportional to 5,281.58, 7,288.48 and 2,923.74 is: 4,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.58 : 7,288.48 = 2,923.74 : x
  2. Step 2: Convert to fraction form
    5,281.58/7,288.48 = 2,923.74/x
  3. Step 3: Cross multiply
    5,281.58x = 7,288.48 × 2,923.74
  4. Step 4: Simplify right side
    5,281.58x = 21,309,624.17
  5. Step 5: Solve for x
    x = 21,309,624.17/5,281.58
  6. Step 6: Final answer
    x = 4,034.70

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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.