Home / 5,253.13-7,879.67-3,030.53

Finding the Fourth Proportional to 5,253.13, 7,879.67 and 3,030.53

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Solution

The fourth proportional to 5,253.13, 7,879.67 and 3,030.53 is: 4,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.13 : 7,879.67 = 3,030.53 : x
  2. Step 2: Convert to fraction form
    5,253.13/7,879.67 = 3,030.53/x
  3. Step 3: Cross multiply
    5,253.13x = 7,879.67 × 3,030.53
  4. Step 4: Simplify right side
    5,253.13x = 23,879,521.77
  5. Step 5: Solve for x
    x = 23,879,521.77/5,253.13
  6. Step 6: Final answer
    x = 4,545.77

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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.