Home / 2,545.02-3,515.49-2,049.53

Finding the Fourth Proportional to 2,545.02, 3,515.49 and 2,049.53

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Solution

The fourth proportional to 2,545.02, 3,515.49 and 2,049.53 is: 2,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.02 : 3,515.49 = 2,049.53 : x
  2. Step 2: Convert to fraction form
    2,545.02/3,515.49 = 2,049.53/x
  3. Step 3: Cross multiply
    2,545.02x = 3,515.49 × 2,049.53
  4. Step 4: Simplify right side
    2,545.02x = 7,205,084.64
  5. Step 5: Solve for x
    x = 7,205,084.64/2,545.02
  6. Step 6: Final answer
    x = 2,831.05

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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.