Home / 5,459.74-8,190.52-1,711.76

Finding the Fourth Proportional to 5,459.74, 8,190.52 and 1,711.76

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Solution

The fourth proportional to 5,459.74, 8,190.52 and 1,711.76 is: 2,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.74 : 8,190.52 = 1,711.76 : x
  2. Step 2: Convert to fraction form
    5,459.74/8,190.52 = 1,711.76/x
  3. Step 3: Cross multiply
    5,459.74x = 8,190.52 × 1,711.76
  4. Step 4: Simplify right side
    5,459.74x = 14,020,220.71
  5. Step 5: Solve for x
    x = 14,020,220.71/5,459.74
  6. Step 6: Final answer
    x = 2,567.93

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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.