Home / 7,355.07-10,147.41-4,167.99

Finding the Fourth Proportional to 7,355.07, 10,147.41 and 4,167.99

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Solution

The fourth proportional to 7,355.07, 10,147.41 and 4,167.99 is: 5,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.07 : 10,147.41 = 4,167.99 : x
  2. Step 2: Convert to fraction form
    7,355.07/10,147.41 = 4,167.99/x
  3. Step 3: Cross multiply
    7,355.07x = 10,147.41 × 4,167.99
  4. Step 4: Simplify right side
    7,355.07x = 42,294,303.41
  5. Step 5: Solve for x
    x = 42,294,303.41/7,355.07
  6. Step 6: Final answer
    x = 5,750.36

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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.