Home / 1,928.02-2,892.03-1,545.70

Finding the Fourth Proportional to 1,928.02, 2,892.03 and 1,545.70

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Solution

The fourth proportional to 1,928.02, 2,892.03 and 1,545.70 is: 2,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.02 : 2,892.03 = 1,545.70 : x
  2. Step 2: Convert to fraction form
    1,928.02/2,892.03 = 1,545.70/x
  3. Step 3: Cross multiply
    1,928.02x = 2,892.03 × 1,545.70
  4. Step 4: Simplify right side
    1,928.02x = 4,470,210.77
  5. Step 5: Solve for x
    x = 4,470,210.77/1,928.02
  6. Step 6: Final answer
    x = 2,318.55

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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.