Home / 7,544.47-10,411.40-4,187.35

Finding the Fourth Proportional to 7,544.47, 10,411.40 and 4,187.35

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Solution

The fourth proportional to 7,544.47, 10,411.40 and 4,187.35 is: 5,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.47 : 10,411.40 = 4,187.35 : x
  2. Step 2: Convert to fraction form
    7,544.47/10,411.40 = 4,187.35/x
  3. Step 3: Cross multiply
    7,544.47x = 10,411.40 × 4,187.35
  4. Step 4: Simplify right side
    7,544.47x = 43,596,175.79
  5. Step 5: Solve for x
    x = 43,596,175.79/7,544.47
  6. Step 6: Final answer
    x = 5,778.56

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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.