Home / 5,711.60-8,567.40-2,424.80

Finding the Fourth Proportional to 5,711.60, 8,567.40 and 2,424.80

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Solution

The fourth proportional to 5,711.60, 8,567.40 and 2,424.80 is: 3,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.60 : 8,567.40 = 2,424.80 : x
  2. Step 2: Convert to fraction form
    5,711.60/8,567.40 = 2,424.80/x
  3. Step 3: Cross multiply
    5,711.60x = 8,567.40 × 2,424.80
  4. Step 4: Simplify right side
    5,711.60x = 20,774,231.52
  5. Step 5: Solve for x
    x = 20,774,231.52/5,711.60
  6. Step 6: Final answer
    x = 3,637.20

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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.