Home / 7,405.35-10,219.35-4,048.18

Finding the Fourth Proportional to 7,405.35, 10,219.35 and 4,048.18

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Solution

The fourth proportional to 7,405.35, 10,219.35 and 4,048.18 is: 5,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.35 : 10,219.35 = 4,048.18 : x
  2. Step 2: Convert to fraction form
    7,405.35/10,219.35 = 4,048.18/x
  3. Step 3: Cross multiply
    7,405.35x = 10,219.35 × 4,048.18
  4. Step 4: Simplify right side
    7,405.35x = 41,369,768.28
  5. Step 5: Solve for x
    x = 41,369,768.28/7,405.35
  6. Step 6: Final answer
    x = 5,586.47

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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.