Home / 1,545.24-2,133.15-1,014.90

Finding the Fourth Proportional to 1,545.24, 2,133.15 and 1,014.90

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Solution

The fourth proportional to 1,545.24, 2,133.15 and 1,014.90 is: 1,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.24 : 2,133.15 = 1,014.90 : x
  2. Step 2: Convert to fraction form
    1,545.24/2,133.15 = 1,014.90/x
  3. Step 3: Cross multiply
    1,545.24x = 2,133.15 × 1,014.90
  4. Step 4: Simplify right side
    1,545.24x = 2,164,933.94
  5. Step 5: Solve for x
    x = 2,164,933.94/1,545.24
  6. Step 6: Final answer
    x = 1,401.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.