Home / 4,011.60-6,015.68-1,545.20

Finding the Fourth Proportional to 4,011.60, 6,015.68 and 1,545.20

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Solution

The fourth proportional to 4,011.60, 6,015.68 and 1,545.20 is: 2,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.60 : 6,015.68 = 1,545.20 : x
  2. Step 2: Convert to fraction form
    4,011.60/6,015.68 = 1,545.20/x
  3. Step 3: Cross multiply
    4,011.60x = 6,015.68 × 1,545.20
  4. Step 4: Simplify right side
    4,011.60x = 9,295,428.74
  5. Step 5: Solve for x
    x = 9,295,428.74/4,011.60
  6. Step 6: Final answer
    x = 2,317.14

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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.