Home / 5,772.40-8,665.08-2,312.08

Finding the Fourth Proportional to 5,772.40, 8,665.08 and 2,312.08

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Solution

The fourth proportional to 5,772.40, 8,665.08 and 2,312.08 is: 3,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.40 : 8,665.08 = 2,312.08 : x
  2. Step 2: Convert to fraction form
    5,772.40/8,665.08 = 2,312.08/x
  3. Step 3: Cross multiply
    5,772.40x = 8,665.08 × 2,312.08
  4. Step 4: Simplify right side
    5,772.40x = 20,034,358.17
  5. Step 5: Solve for x
    x = 20,034,358.17/5,772.40
  6. Step 6: Final answer
    x = 3,470.72

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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.