Home / 2,847.71-4,271.75-973.73

Finding the Fourth Proportional to 2,847.71, 4,271.75 and 973.73

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Solution

The fourth proportional to 2,847.71, 4,271.75 and 973.73 is: 1,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.71 : 4,271.75 = 973.73 : x
  2. Step 2: Convert to fraction form
    2,847.71/4,271.75 = 973.73/x
  3. Step 3: Cross multiply
    2,847.71x = 4,271.75 × 973.73
  4. Step 4: Simplify right side
    2,847.71x = 4,159,531.13
  5. Step 5: Solve for x
    x = 4,159,531.13/2,847.71
  6. Step 6: Final answer
    x = 1,460.66

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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.