Home / 5,301.20-7,328.40-4,048.40

Finding the Fourth Proportional to 5,301.20, 7,328.40 and 4,048.40

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Solution

The fourth proportional to 5,301.20, 7,328.40 and 4,048.40 is: 5,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.20 : 7,328.40 = 4,048.40 : x
  2. Step 2: Convert to fraction form
    5,301.20/7,328.40 = 4,048.40/x
  3. Step 3: Cross multiply
    5,301.20x = 7,328.40 × 4,048.40
  4. Step 4: Simplify right side
    5,301.20x = 29,668,294.56
  5. Step 5: Solve for x
    x = 29,668,294.56/5,301.20
  6. Step 6: Final answer
    x = 5,596.52

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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.