Home / 7,405.93-10,220.43-4,048.93

Finding the Fourth Proportional to 7,405.93, 10,220.43 and 4,048.93

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Solution

The fourth proportional to 7,405.93, 10,220.43 and 4,048.93 is: 5,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.93 : 10,220.43 = 4,048.93 : x
  2. Step 2: Convert to fraction form
    7,405.93/10,220.43 = 4,048.93/x
  3. Step 3: Cross multiply
    7,405.93x = 10,220.43 × 4,048.93
  4. Step 4: Simplify right side
    7,405.93x = 41,381,805.64
  5. Step 5: Solve for x
    x = 41,381,805.64/7,405.93
  6. Step 6: Final answer
    x = 5,587.66

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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.