Home / 5,439.06-8,154.60-1,739.16

Finding the Fourth Proportional to 5,439.06, 8,154.60 and 1,739.16

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Solution

The fourth proportional to 5,439.06, 8,154.60 and 1,739.16 is: 2,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.06 : 8,154.60 = 1,739.16 : x
  2. Step 2: Convert to fraction form
    5,439.06/8,154.60 = 1,739.16/x
  3. Step 3: Cross multiply
    5,439.06x = 8,154.60 × 1,739.16
  4. Step 4: Simplify right side
    5,439.06x = 14,182,154.14
  5. Step 5: Solve for x
    x = 14,182,154.14/5,439.06
  6. Step 6: Final answer
    x = 2,607.46

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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.